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Author Topic: Tekkeon My Power MP3450  (Read 19955 times)

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Offline pyiteac

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Tekkeon My Power MP3450
« on: July 26, 2008, 12:32:25 AM »
I picked up one of these a few months ago in order to power my V2 and my MR-1.  My brother just sent me the V2 12v cable and I go USB>5 volt to the MR-1.   This battery is amazing as it can handle multiple voltages through the USB port.  It weighs just 15.3 oz and will power the V2 and MR-1 for over 5 hours.  If I get my V2 set to 6v i can run for over 8 hours!  Man technology is great.  4 years ago I had to lug almost 10lbs in SLA's to get the same record time.

Mics: Schoeps MK4>KCY (with MK41/MK21/MK8's on call)
Pre:  Schoeps VMS02ib 
Interconnects:  Kimber Kable
Recorder:  Korg Mr-1

Offline jsfrank

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Re: Tekkeon My Power MP3450
« Reply #1 on: June 30, 2010, 01:02:58 PM »
Bumping this thread since this battery deserves it's own thread. Everyone needs this battery. I bought 3. A great secondary use is as an iPhone charger at work to keep my phone topped off.

The ability to power the MicroTracker too is huge!!!
AKG 481,2 or 3 > V3 > Marantz PMD661 (16/44.1)

Offline tedyun

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Re: Tekkeon My Power MP3450
« Reply #2 on: June 30, 2010, 01:19:10 PM »
Great batteries!

I tried making my own power cables (to a V3 and to a 4-pin XLR) using this plug:

http://taperssection.com/index.php?topic=133232.0

but those plugs are a bitch! I destroyed one, assembled one semi-correctly, and the other correctly. The main problem is getting that spring under the main cover.

It's much easier to buy the Palm Adapter cable from Tekkeon (PA-A01), unscrew the dock and desolder the wires, then solder the wires to your plug of choice. Slightly more expensive, but much, much easier to work with.






Bumping this thread since this battery deserves it's own thread. Everyone needs this battery. I bought 3. A great secondary use is as an iPhone charger at work to keep my phone topped off.

The ability to power the MicroTracker too is huge!!!
Mics: B&K 4011, Schoeps MK5 (Nbobs, Naiant PFA), Busman BSC-1 (K11/K21/K31/K41 caps), Church CA-14 (o, c), Church CAFS, Core Sound Binaurals
Pre: EAA PSP-2,  Lunatec V3, Nbox-Platinum, Church CA-9200
ADC: Mytek 192 ADC, Oade Mod SBM-1
Rec: Oade Supermod PMD-661, Tascam DR60D, M-Audio MicroTrack II, Korg MR-1 (32GB SSD mod); Sony PCM-M10, Edirol R09HR; iRiver HP-120
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Offline page

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Re: Tekkeon My Power MP3450
« Reply #3 on: June 30, 2010, 02:59:46 PM »
The new RC2 editions also have different voltages (the 3450i RC2 will do 10v and 11v for example among others while the 3450i regular won't do either).
"This is a common practice we have on the bus; debating facts that we could easily find through printed material. It's like, how far is it today? I think it's four hours, and someone else comes in at 11 hours, and well, then we'll... just... talk about it..." - Jeb Puryear

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Offline Rob D.

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Re: Tekkeon My Power MP3450
« Reply #4 on: June 30, 2010, 03:21:38 PM »

Offline page

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Re: Tekkeon My Power MP3450
« Reply #5 on: June 30, 2010, 03:26:25 PM »
buy.com has them for $81.24 no tax, no shipping:

http://www.buy.com/prod/tekkeon-mypower-all-plus-mp3450-10-extended-general-purpose-battery/q/loc/101/208787453.html

need the base battery first for that which you hook up to that to double capacity.
"This is a common practice we have on the bus; debating facts that we could easily find through printed material. It's like, how far is it today? I think it's four hours, and someone else comes in at 11 hours, and well, then we'll... just... talk about it..." - Jeb Puryear

"Nostalgia ain't what it used to be." - Jim Williams

Offline Rob D.

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Re: Tekkeon My Power MP3450
« Reply #6 on: June 30, 2010, 03:32:42 PM »
buy.com has them for $81.24 no tax, no shipping:

http://www.buy.com/prod/tekkeon-mypower-all-plus-mp3450-10-extended-general-purpose-battery/q/loc/101/208787453.html

need the base battery first for that which you hook up to that to double capacity.

My bad, thanks. $109.99 is the best I could find (free shipping when I put it in my online cart):

http://www.bhphotovideo.com/c/product/503090-REG/Tekkeon_MP3450_MP3450_myPower_ALL_Universal.html/

Offline taperj

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Re: Tekkeon My Power MP3450
« Reply #7 on: July 02, 2010, 10:56:11 PM »
Best all around battery solution out there, period.

edit - I should also mention as some testimony that I have owned mine for about a year and a half and I have easily taped over 300 sets of music with it powering either my MOTU Ulralite mk3 on 12v or my Korg MR-1 on 5v and it has shown little or no sign of overall degredation, it's as strong as the day I bought it and I have never had any problems with it functioning properly.

J
« Last Edit: July 02, 2010, 11:34:31 PM by taperj »
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Offline mattmiller

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Re: Tekkeon My Power MP3450
« Reply #8 on: July 04, 2010, 11:09:49 AM »
The MP3300 is rock solid too.  I've had mine for at least a couple of years and it powers my HD-P2 (delivering phantom to my KM140s) and is only down two notches from full power after running it for 3+ hours last night.
Mics: Neumann KM100 (x4), AK40 (x2), AK50 (x2)
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Offline Jhurlbs81

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Re: Tekkeon My Power MP3450
« Reply #9 on: July 06, 2010, 09:02:07 AM »
I love my 3450.  I use it to power my +9v DC up-converter for the Telefunken usa tubes and also power my microtrack off the USB.  Awesome battery!

Offline Colin Liston

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Re: Tekkeon My Power MP3450
« Reply #10 on: July 06, 2010, 11:55:13 PM »
Anyone know if you run this battery completely down if it will kill the battery?
Occasionally....music mics record

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Re: Tekkeon My Power MP3450
« Reply #11 on: July 08, 2010, 11:07:48 AM »
Anyone know if you run this battery completely down if it will kill the battery?

edtyre ran one into the ground at a festival once, I don't remember him having a problem getting it resuscitated.

My 3450i-R2 arrived last night. Paired with my 722, and set to 11v, it used about half of the capacity (3 lights gone) in 6 hrs with P48 (mics rated to draw 4.6ma), backlight on, both CF/HDD recording at 24/44.1, but no internal battery trying to draw a charge. So I reckon it might realistically get about 10hrs before I hit the last 10% of the battery. If I was desperate, I could run it at 10v for the extra time bonus (an hr maybe?), but the low battery light flashes all the time since you don't truely get 10v (the box reports 9.8 or something).

If you use the standard 3450 (which does 12v and is only 50Wh), I'd bank about 7-8hrs in the same scenario; higher voltage and less watt-hour capacity. The upside is the battery can be found for just over half the price of the i-R2. So if space isn't an issue but running time is, it's a better Wh/$ deal.  :P

Anyone notice that the literature online for capacity lights doesn't match what is printed in the manual? I based the above on the more conservative of the two (and shaved about 10% off).
"This is a common practice we have on the bus; debating facts that we could easily find through printed material. It's like, how far is it today? I think it's four hours, and someone else comes in at 11 hours, and well, then we'll... just... talk about it..." - Jeb Puryear

"Nostalgia ain't what it used to be." - Jim Williams

Offline edtyre

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Re: Tekkeon My Power MP3450
« Reply #12 on: July 08, 2010, 02:59:55 PM »
Anyone know if you run this battery completely down if it will kill the battery?

edtyre ran one into the ground at a festival once, I don't remember him having a problem getting it resuscitated.


At Mountain Jam i used the 3450 double battery pack for 15.5 hours before it died (only missed a few seconds of Les Claypools late night set)
It charged up perfect for the next day, used it for 12 hours the next two days with no problems.
Used this to power my V-3 and R-44 together with a single cable.
music>mics>pre>recorder
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Offline Colin Liston

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Re: Tekkeon My Power MP3450
« Reply #13 on: July 08, 2010, 04:09:03 PM »
My buddy left his running all night to see how long he would get power and it won't charge or power up at all.

It's brand new only used it once.  I'll just tell him to send it back.

Thanks gentlemen!
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Offline DigiGal

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Re: Tekkeon My Power MP3450
« Reply #14 on: July 12, 2010, 07:14:37 PM »
« Last Edit: November 03, 2010, 02:36:51 PM by DigiGal »
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Offline flipp

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Re: Tekkeon My Power MP3450
« Reply #15 on: July 12, 2010, 09:55:57 PM »
According to their FAQ - 4 hours.

Thanks for the recall links. The one I got from ebay last month is one of those recalled.

Offline DigiGal

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Re: Tekkeon My Power MP3450
« Reply #16 on: July 12, 2010, 11:21:25 PM »
4 hours to charge, thank you, :-* I completely missed their FAQ's but found the recall info while searching.

link to their FAQ's  ---> http://www.tekkeon.com/products-mypall-faq.html
Mics: AKG CK91/CK94/CK98/SE300 | Shure VP88 | Senn ME66/K6/K6RD Cables: Gotham GAC-4/1 "StarQuad" w/Neutrik EMC | Gotham GAC-2pair w/AKG MK90/3 connectors | DigiGal AES>S/PDIF cable Preamp: SoundDevices MixPre-D Recorder: Marantz PMD 661 Edit: 27" 3.4GHz QuadCore i7 iMac | OS X High Sierra 10.13.6 | Wave Editor | xACT  | Transmission | Final Cut Pro X                                                            

Offline MULETAPER

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Re: Tekkeon My Power MP3450
« Reply #17 on: July 12, 2010, 11:36:53 PM »
glad I saw this mine new ones a recall... ::) sent for return I got mine thru amazon...
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Offline dactylus

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Re: Tekkeon My Power MP3450
« Reply #18 on: July 13, 2010, 09:27:53 AM »


Thanks for the recall links.  I'm sure that a couple of mine will be covered by the recall!!

 :coolguy:

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Re: Tekkeon My Power MP3450
« Reply #19 on: July 13, 2010, 11:28:05 AM »
My 3450i-R2 arrived last night. Paired with my 722, and set to 11v, it used about half of the capacity (3 lights gone) in 6 hrs with P48 (mics rated to draw 4.6ma), backlight on, both CF/HDD recording at 24/44.1, but no internal battery trying to draw a charge. So I reckon it might realistically get about 10hrs before I hit the last 10% of the battery. If I was desperate, I could run it at 10v for the extra time bonus (an hr maybe?), but the low battery light flashes all the time since you don't truely get 10v (the box reports 9.8 or something).
Anyone notice that the literature online for capacity lights doesn't match what is printed in the manual? I based the above on the more conservative of the two (and shaved about 10% off).

Last night, I was charging my phone off of the 5v USB output and about an hour after starting the charge, the tekkeon starts beeping at me (low battery). I thought it was strange since I hadn't used much for the 722 test. Hit the light and sure enough it was almost dead. For giggles, I charged it fully and then overnight, ran it all the way. Woke up this morning and it had recorded (same scenario as above) for just over 7 hours before turning off (7hrs and 2 minutes or so). So a couple of notes:

1) Tekkeon lists an mah capacity on their site by voltage (and they look hideously low compared to user reports). As best I can tell, this figure *is* accurate based on other battery usage I've gotten.
2) At 6hrs of usage, I had used 3 lights with a bunch remaining (so it was reporting almost 50% remaining), but based on the mah reports on their site, it *should* run out in that next hour (and did). So it appears that the light readout on the units is really inaccurate:-X

Just beware in the event of budgeting power for long runs, it doesn't appear that you don't have as much power as you think you do when referencing the light read outs.
"This is a common practice we have on the bus; debating facts that we could easily find through printed material. It's like, how far is it today? I think it's four hours, and someone else comes in at 11 hours, and well, then we'll... just... talk about it..." - Jeb Puryear

"Nostalgia ain't what it used to be." - Jim Williams

Offline jazzgtrl4

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Re: Tekkeon My Power MP3450
« Reply #20 on: July 27, 2010, 06:34:21 PM »
Yep i have two, powering a minime, V3 and MT II. i use one to power V3, Microtrac, the other to power the Minime. I was at High Sierra this year and had my minime tekkeon die on me. Ya there were alot of factors involved apparently according to apogee i should be running it at 12v, i was running at 6. it was really hot during the day thus contributing to the draining of the battery im sure. Im not too sure how many hours i got, id say 5 i guess, not alot, or under.
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Offline dactylus

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Re: Tekkeon My Power MP3450
« Reply #21 on: July 31, 2010, 10:44:59 AM »


Thanks for the recall links.  I'm sure that a couple of mine will be covered by the recall!!

 :coolguy:

None of my 3450's were in the recall zone, but now I'm a little nervous about the 2 new batteries I snagged for the $75 apiece eBay steal last month.  It sounds like some of you got batteries from the same eBay auction as me and they were recall material.

Model Number
 First Ship Date
 Serial Number Range
 
MP3450
 10/15/09
 345D09090001 – 345D09090600 
 
   
 345D10010001 – 345D10010500 
 
   
 345D10020531 – 345D10020656


 
« Last Edit: July 31, 2010, 10:46:55 AM by dactylus »
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Offline flipp

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Re: Tekkeon My Power MP3450
« Reply #22 on: July 31, 2010, 12:31:40 PM »
Mine was from that ebay auction and it was a recall battery. It was in the middle of this run - 345D10010001 – 345D10010500. Tekkeon sent a replacement and a call tag (fancy term for a pre-addressed, prepaid label) so the swap couldn't have been any easier.

If you read some of the links about the recall, Tekkeon had received one (1) report of a battery having problems. That one report prompted the recall. From what few details I remember I thought when I read it that it might have been user error that caused the problem - but I'm probably wrong about that. Why several different lots were recalled and not others I don't know. Haven't used the replacement yet but had used the recalled battery about half a dozen times and recharged it at least four and I had no problems with it. Hope the recall is more precautionary than anything else.
« Last Edit: July 31, 2010, 12:42:09 PM by flipp »

Offline dactylus

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Re: Tekkeon My Power MP3450
« Reply #23 on: July 31, 2010, 12:45:26 PM »
Mine was from that ebay auction and it was a recall battery. It was in the middle of this run - 345D10010001 – 345D10010500. Tekkeon sent a replacement and a call tag (fancy term for a pre-addressed, prepaid label) so the swap couldn't have been any easier.

If you read some of the links about the recall, Tekkeon had received one (1) report of a battery having problems. That one report prompted the recall. Why several different lots were recalled and not others I don't know. Haven't used the replacement yet but had used the recalled battery about half a dozen times and recharged it at least four and I had no problems with it. Hope the recall is more precautionary than anything else.

Both of my eBay batteries fell within this range:  345D10030700 - 345D10030750 so I guess that I'm OK.  Just checking!!

 ;)

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Offline DigiGal

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Re: Tekkeon My Power MP3450
« Reply #24 on: July 31, 2010, 06:23:25 PM »
I ended up ordering one up from Amazon recently, it falls well outside the recall ranges had a number of:  345D1006xxxxx
Mics: AKG CK91/CK94/CK98/SE300 | Shure VP88 | Senn ME66/K6/K6RD Cables: Gotham GAC-4/1 "StarQuad" w/Neutrik EMC | Gotham GAC-2pair w/AKG MK90/3 connectors | DigiGal AES>S/PDIF cable Preamp: SoundDevices MixPre-D Recorder: Marantz PMD 661 Edit: 27" 3.4GHz QuadCore i7 iMac | OS X High Sierra 10.13.6 | Wave Editor | xACT  | Transmission | Final Cut Pro X                                                            

Offline dactylus

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Re: Tekkeon My Power MP3450
« Reply #25 on: August 01, 2010, 08:15:56 PM »
I ended up ordering one up from Amazon recently, it falls well outside the recall ranges had a number of:  345D1006xxxxx

Thanks.
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Offline flipp

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Re: Tekkeon My Power MP3450
« Reply #26 on: August 04, 2010, 04:47:48 PM »
I ended up ordering one up from Amazon recently, it falls well outside the recall ranges had a number of:  345D1006xxxxx


you'll be glad to know that the replacement Tekkeon sent also had a serial number of 345D1006xxxx

Offline WiFiJeff

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Re: Tekkeon My Power MP3450
« Reply #27 on: August 05, 2010, 09:19:50 AM »
If you read some of the links about the recall, Tekkeon had received one (1) report of a battery having problems. That one report prompted the recall. From what few details I remember I thought when I read it that it might have been user error that caused the problem - but I'm probably wrong about that. Why several different lots were recalled and not others I don't know. Haven't used the replacement yet but had used the recalled battery about half a dozen times and recharged it at least four and I had no problems with it. Hope the recall is more precautionary than anything else.

I have two of the 3450i batteries, and am very happy with Tekkeon service and recall policy.  Unless I was the only one with an issue, though, I think there was a real problem, which they addressed admirably.  [Adding in edit: mine did not overheat or damage furnishings, so it was additional to the one mentioned in the link above]

I bought a 3450i from Amazon.  It got a small bump early in its use, which Tekkeon told me should not be an issue (it fell ~1 1/2 foot onto a rug, about like having your rig bag bump into a seat when you turn, no marks or dents).  On recharging, the internal cell expanded and pulled apart the housing like an accordion.  I sent it back to Tekkeon, who sent me a new cell, and I bought a second one from them.  Both of these cells direct from Tekkeon were in the recall range, and have now been replaced.  I give them only occassional use, but they have done fine.

Jeff
« Last Edit: August 05, 2010, 02:24:15 PM by WiFiJeff »

Offline thekittycatt

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Re: Tekkeon My Power MP3450
« Reply #28 on: January 30, 2011, 04:05:19 PM »
I started a thread about the tekkeon with V3 & V2.(http://taperssection.com/index.php?topic=142412.0)  I figured I would move it here.

"How long does the tekkeon 3450 last with a V3 &/or V2? "  - me

Quote from: tyedyejon on January 24, 2011, 02:40:35 PM

    4-6hours max. con... no warning when battery dies. i would buy 2 not the extended battery. i plan to buy the 3450i next.

from Page
"correct, you won't see the warning on the grace because the tekkeon's hold their quoted charge till the end instead of a steady decrease like some other batteries, but if you hold the battery up to your head, you'll hear it beep periodically (it's like once every 2 seconds or something). Second, the mah rating that is published on the website is correct based on my tests with the 3450i, but the little lights that light up when you press on the battery are not. As best I can tell, I have a half-full battery when 1 of the 8 lights goes off, and it's a rapid decent after that. Any more then 3 lights off and I'd switch batteries.

Last, why not get the extended battery? I guess if you need 2 batteries (1 for the recorder and 1 for the amp), then that makes sense, otherwise the extender is cheaper. Have you had problems with it?" 
   

Quote from: tyedyejon on January 24, 2011, 02:40:35 PM

    4-6hours max. con... no warning when battery dies. i would buy 2 not the extended battery. i plan to buy the 3450i next.


4-6 with a V3 or V2.  I have both and want to get one for each.

Page,

Do you use yours with a V3 or V2?  Or do you use it on something else?  - me

from Page
have 2 friends who do, one with each and they love them, especially since they can switch the voltages depending on what they choose to run that day (same reason I like mine; 722, sax, or my laptop, it's happy with any of them). My comments were primarily from tests I'd run, once you find out the mah draw, look at tekkeon's website, knock of 20% for safety and you'll get really close to that for your run time. The draw for the V3 with digital turned on is like 1000mah, and it drops as you start turning stuff off like ANSR and the digital outs. I can't remember what the V2's draw is, sorry.
« Last Edit: January 30, 2011, 04:09:45 PM by thekittycatt »

Offline jsfrank

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Re: Tekkeon My Power MP3450
« Reply #29 on: July 05, 2011, 01:39:29 PM »
Anyone having problems with their MP3450's? The one I got from Grace Design with their system died a couple of months ago. The two that I got from Amazon are taking a charge, but they are now stopping during the middle of sets. The battery appears to be dead then when I go to charge them they come back to life. I just talked to Chris at Tekkeon about getting them fixed or replaced.

This came to a head at the Electric Forest Festival on Saturday night. One of them had worked fine for the Ragbirds set and the last part of REO I recorded. It then died in the first set of SCI and the other one died during the 2nd set. Oh well, at least Sunday it gave me a chance to screw around with my Olympus LS-11. I could get used to how easy it is to break down the "rig" after using that!
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Re: Tekkeon My Power MP3450
« Reply #30 on: July 05, 2011, 03:13:40 PM »
Just got home yesterday from 10 days at the lake to find my warranty replacement sitting on the porch. It was the warranty battery for the exchange unit from Tekkeon for the recall discussed earlier in the thread. That replacement had worked flawlessly until ~three weeks ago when I was charging my MT2496. Started out showing a full charge on the 3450. An hour later I checked and the battery had turned off but the MT was showing a partially discharged battery. Checked the charge meter on the battery and only two lights were illuminated. Charged the Tekkeon. Tried recharging the MT again, this time it fully recharged. Curious I checked the lights on the Tekkeon, showed a full charge. An hour later I tried the charge level again, back to two lights. Plugged it in for a recharge. Within two minutes it showed a full charge. This time I left it plugged in. A minute later it showed only two lights. At this point I contacted Chris. He replied with what I needed to send back with the battery for a warranty replacement. I shipped on a Wednesday, they received it on Friday and had the warranty unit out the same day. Tracking indicates it arrived at my house on Tuesday. Couldn't have been an easier process. Only "complaint" I have is that I indicated to Chris that I would be out of town and I wish shipment of the warranty unit had been delayed a week so it wouldn't have sat on a west-facing porch being baked in summer sun and triple-digit temps for a week. Since I didn't specifically ask for a delayed shipment I really can't complain about the service. I wish all manufacturers I've dealt with were as easy as dealing with Chris and Tekkeon concerning warranty (or just slightly out by a week or two) product replacement.

Offline live2496

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Re: Tekkeon My Power MP3450
« Reply #31 on: July 05, 2011, 10:33:12 PM »
Tekkeon replaced my battery once while under warranty. Great company to work with. I just wish that they provided service for units that were out of warranty. Like if I send it in with a problem and they would replace my battery for me for a charge. Apparenty it's less work and less costly to just buy a new one.
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Re: Tekkeon My Power MP3450
« Reply #32 on: July 06, 2011, 11:17:54 PM »
I am in the final few days of deciding between the 3450i or the BG 10-14-115 to run the 680 and have been going back and forth based on experiences I've seen here and of course a 60.00 difference between B & H tekkeon price and the bg.  After the last few posts in this thread I think the extra 60.00 on the BG unit is well worth it. . .

   
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Re: Tekkeon My Power MP3450
« Reply #33 on: July 06, 2011, 11:24:47 PM »
I have both a Tekkeon 3450 and a BG 10-14-88. They both have their strengths but if you only need 12v, I think you're making the right decision going with the BG unit. If you need some other voltage or need to run two units and one can take 5v via USB then the Tekkeon is the better choice. If I had to buy batteries again I'd probably still go with one of each.

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Re: Tekkeon My Power MP3450
« Reply #34 on: July 06, 2011, 11:56:05 PM »
Thanks for input.  Yes I am currently mainly concerned with the 680 as I have built up a small "arsenal" of lenmar 9v I use for the v3 on festivals, but vibes will be the first full fest with the new 680 (used lithium cells for the one day I did at at mt jam, but far to expensive and obviously inefficient long term) and want to be best prepared.

Thanks again,
Bob 
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Re: Tekkeon My Power MP3450
« Reply #35 on: July 07, 2011, 07:37:38 AM »
Thanks for input.  Yes I am currently mainly concerned with the 680 as I have built up a small "arsenal" of lenmar 9v I use for the v3 on festivals, but vibes will be the first full fest with the new 680 (used lithium cells for the one day I did at at mt jam, but far to expensive and obviously inefficient long term) and want to be best prepared.

Thanks again,
Bob

Bob,

I do the complete opposite of you.  I use DVD batts for my 680 and run my V3 with a Tekkeon 3450 at 6v.  It's a waste of juice using 9v on a 6v V3, IMHO.  Vibes always has  power in the taper section so bring your chargers to charge you batts during the fest.
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Re: Tekkeon My Power MP3450
« Reply #36 on: July 07, 2011, 04:23:15 PM »
Sorry if this re-hashes a previous question, but, when you are running the 3450R2 which automatically locks to the voltage required, would it be right to assume that it would lock to the lowest voltage necessary. My question is based on the fact that a littlebox can run on power between 5v and 12v, so I am trying to determine what kind of runtimes I could expect if I were to use it, and whether it would lock to the 5v setting.

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Re: Tekkeon My Power MP3450
« Reply #37 on: July 07, 2011, 04:41:46 PM »
Be very, Very, VERY careful running the Tekkeon with the 680 and do not use the automatic detection settings. Now on our 3rd DR-680, Acidjack and myself and all but confident this will fry/corrupt the unit; it must be sending too much voltage through while making the detection.

I'm hopeful it's safe to use a tekkeon on the manual 12v setting, but we're not about to fry our third unit to test and it's always worked flawlessly on 9v DVD batts.

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Re: Tekkeon My Power MP3450
« Reply #38 on: July 07, 2011, 04:53:39 PM »
....or do not lock the inproper voltage....I learned the hard way on a PMD-661. :(

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Re: Tekkeon My Power MP3450
« Reply #39 on: July 07, 2011, 09:49:00 PM »
Thanks for input.  Yes I am currently mainly concerned with the 680 as I have built up a small "arsenal" of lenmar 9v I use for the v3 on festivals, but vibes will be the first full fest with the new 680 (used lithium cells for the one day I did at at mt jam, but far to expensive and obviously inefficient long term) and want to be best prepared.

Thanks again,
Bob

Bob,

I do the complete opposite of you.  I use DVD batts for my 680 and run my V3 with a Tekkeon 3450 at 6v.  It's a waste of juice using 9v on a 6v V3, IMHO.  Vibes always has  power in the taper section so bring your chargers to charge you batts during the fest.

Hey Ted, Excellent point re a waste to run 9v power on 6v device (that I had not even considered).  But my bigger concern is running 9v on the 680 based on an issue I had on 5/13 with no real explanation and I am still trying to troubleshoot to make sure I have no issues with the unit.  Although based on yours and hi and lo's experience it may not have been due to 9v power.  In any event it's time to invest in a 12v power source.  I always get a full day out of my 4 dvd's but will be sure to carry at least one charger onto the field.           
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Re: Tekkeon My Power MP3450
« Reply #40 on: July 07, 2011, 11:13:28 PM »
Thanks for input.  Yes I am currently mainly concerned with the 680 as I have built up a small "arsenal" of lenmar 9v I use for the v3 on festivals, but vibes will be the first full fest with the new 680 (used lithium cells for the one day I did at at mt jam, but far to expensive and obviously inefficient long term) and want to be best prepared.

Thanks again,
Bob

Bob,

I do the complete opposite of you.  I use DVD batts for my 680 and run my V3 with a Tekkeon 3450 at 6v.  It's a waste of juice using 9v on a 6v V3, IMHO.  Vibes always has  power in the taper section so bring your chargers to charge you batts during the fest.

I was told here to run at 7.5 so the low power light doesn't come on prematurely.
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Re: Tekkeon My Power MP3450
« Reply #41 on: July 08, 2011, 12:15:28 AM »
I was told here to run at 7.5 so the low power light doesn't come on prematurely.

The problem I've found with the tekkeon series related to voltage is that it seems to slightly undervolt what you're setting it to. If I say 11v, then I get 10.5 in heavy draw or 10.8 in light draw. It's why I can't run them at 10v on the 722, because I end up with 9.8 or so and 9.75 is the cut over point (or close to that) so any disruption or additional sag would cause it to constantly switch back and forth.
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Re: Tekkeon My Power MP3450
« Reply #42 on: July 08, 2011, 11:50:44 AM »
Pretty sure the low batt light goes on below 5.5v, at least that is when I see it go on when I forget to set the tekkeon at 6v at power up.

EDIT: From the Manual
 
LOW BATT: For the 6 Volt V3, the low battery indicator flashes if the battery voltage drops below 5.75V. For the 12 Volt V3, the low battery indicator flashes if the battery drops below 11.5V.

http://www.gracedesign.com/support/v3_manual_RevE_online.pdf
« Last Edit: July 08, 2011, 11:53:22 AM by tgakidis »
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Offline jsfrank

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Re: Tekkeon My Power MP3450
« Reply #43 on: July 11, 2011, 10:34:44 PM »
Exchanged e-mails with Chris today. The replacements are on the way.
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Re: Tekkeon My Power MP3450
« Reply #44 on: July 20, 2011, 02:56:27 PM »
Were yours still under warranty? I think I'm having a similar problem. I can use one until it gets to half-full, then it shuts down. When I connect the charger, it shows half-full, and it only takes about 30 - 45 min to charge. This battery is about 2 yr old or so.

The other one I have will only turn on if I connect it to the charger. This is about 2 yr old too.

It's a shame if I can't get them fixed. I was the biggest supporter of these batteries. I have 2 that seem to be working fine, but these other two have failed for some reason, and from talking to Chris it seems that they are out of warranty.

Exchanged e-mails with Chris today. The replacements are on the way.
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Re: Tekkeon My Power MP3450
« Reply #45 on: July 20, 2011, 11:29:21 PM »
They were all a few weeks outside the year warranty. Hopefully the replacements are at my office. The didn't arrive in time before I hit the road for Furthur.

Were yours still under warranty? I think I'm having a similar problem. I can use one until it gets to half-full, then it shuts down. When I connect the charger, it shows half-full, and it only takes about 30 - 45 min to charge. This battery is about 2 yr old or so.

The other one I have will only turn on if I connect it to the charger. This is about 2 yr old too.

It's a shame if I can't get them fixed. I was the biggest supporter of these batteries. I have 2 that seem to be working fine, but these other two have failed for some reason, and from talking to Chris it seems that they are out of warranty.

Exchanged e-mails with Chris today. The replacements are on the way.
AKG 481,2 or 3 > V3 > Marantz PMD661 (16/44.1)

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Re: Tekkeon My Power MP3450
« Reply #46 on: August 26, 2011, 10:31:40 PM »
Be very, Very, VERY careful running the Tekkeon with the 680 and do not use the automatic detection settings. Now on our 3rd DR-680, Acidjack and myself and all but confident this will fry/corrupt the unit; it must be sending too much voltage through while making the detection.

I'm hopeful it's safe to use a tekkeon on the manual 12v setting, but we're not about to fry our third unit to test and it's always worked flawlessly on 9v DVD batts.

hi and low: i recently got a DR-680 and was powering it with a Tekkeon manually set to 12v.  after three shows the DR-680 died on me twice.  i had to shut it down, let it rest for a while, and when i fired it back up all was fine for the remainder of the shows.  i thought for sure the problem was DR-680 because the Tekkeon worked flawlessly with other devices.  after exchanging my DR-680 for a new unit and having the exact same problem during its first outing i started to think that the Tekkeon was the issue.  after seeing your post i'm more certain that the Tekkeon is the issue.  i'm on the hunt for a 12v DVD battery and hopefully will cure the problem.  batterygeek seems to have some good options.
« Last Edit: August 27, 2011, 11:56:32 AM by cashandkerouac »

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Re: Tekkeon My Power MP3450
« Reply #47 on: September 15, 2011, 09:27:14 PM »
They were all a few weeks outside the year warranty. Hopefully the replacements are at my office. The didn't arrive in time before I hit the road for Furthur.

Were yours still under warranty? I think I'm having a similar problem. I can use one until it gets to half-full, then it shuts down. When I connect the charger, it shows half-full, and it only takes about 30 - 45 min to charge. This battery is about 2 yr old or so.

The other one I have will only turn on if I connect it to the charger. This is about 2 yr old too.

It's a shame if I can't get them fixed. I was the biggest supporter of these batteries. I have 2 that seem to be working fine, but these other two have failed for some reason, and from talking to Chris it seems that they are out of warranty.

Exchanged e-mails with Chris today. The replacements are on the way.

I'm in the same boat - loved this battery, but had it fail on me twice powering a V2 during a concert.  Purchased new 6/26/2010, had no problems for a year (used it 6/24/2011 - 6/26/2011 at a festival running ~5 hours each day with no problems).  On 9/1/2011 it failed 3 hours into a set, recharged in about 30 minutes, so I thought perhaps I hadn't fully charged it, the next day it failed 2.5 hours into a set.  This is the second battery from them that I've had in 2 years.  I emailed Chris, stating the purchase date and that this is my second battery with such issues.  If this isn't covered under "goodwill" warranty, I most certainly will not be purchasing a new one. 

I used to think it was well worth the $110 price tag, but after 2 failing just over the 12 month warranty, I would not recommend buying this if you expect it to be your primary power source.  Currently on the hunt for an alternative source for powering a 6v V2... 

Ryan
dpa4028 > v2 > 744

Offline audBall

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Re: Tekkeon My Power MP3450
« Reply #48 on: September 15, 2011, 09:42:04 PM »
I've noticed lately that my V2 will shut off when ran at the 6v setting on the battery.  I switch to 7.5V and things seem to work at that setting.

Nevertheless, it's a bummer that my ~3-5 year old 9V DVD seems to be more reliable. 
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Re: Tekkeon My Power MP3450
« Reply #49 on: September 15, 2011, 10:05:53 PM »
To the folks who keep telling me to get a Tekkeon for my Lemosax, please read this thread ;D :P 8) I will settle for my AA battery powering!
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Re: Tekkeon My Power MP3450
« Reply #50 on: September 15, 2011, 11:07:17 PM »
To the folks who keep telling me to get a Tekkeon for my Lemosax, please read this thread ;D :P 8) I will settle for my AA battery powering!

If you got the industrial version you wouldn't have the voltage quirks. It's SIAFI style.  8)
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Re: Tekkeon My Power MP3450
« Reply #51 on: September 16, 2011, 12:56:34 AM »
I've noticed lately that my V2 will shut off when ran at the 6v setting on the battery.  I switch to 7.5V and things seem to work at that setting.

Nevertheless, it's a bummer that my ~3-5 year old 9V DVD seems to be more reliable.

Interesting...  How much time are you getting at 7.5v?  Does the v2 run hot at all at 7.5?
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Re: Tekkeon My Power MP3450
« Reply #52 on: September 16, 2011, 01:01:19 AM »
To the folks who keep telling me to get a Tekkeon for my Lemosax, please read this thread ;D :P 8) I will settle for my AA battery powering!

If you got the industrial version you wouldn't have the voltage quirks. It's SIAFI style.  8)

If Tekkeon let's me 'buy up' to the 3450i I may be able to be swayed, but right now the standard one has none of my confidence.  How long have you had the 3450i?  What kind of run times do you get?
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Re: Tekkeon My Power MP3450
« Reply #53 on: September 16, 2011, 02:13:54 AM »
To the folks who keep telling me to get a Tekkeon for my Lemosax, please read this thread ;D :P 8) I will settle for my AA battery powering!

If you got the industrial version you wouldn't have the voltage quirks. It's SIAFI style.  8)

If Tekkeon let's me 'buy up' to the 3450i I may be able to be swayed, but right now the standard one has none of my confidence.  How long have you had the 3450i?  What kind of run times do you get?

I'm working on 18-24 months now I'd have to check the receipt, maybe 40 shows a year plus use as a laptop/phone battery. It sees a solid average of 1 discharge a week, many times more.

I can't remember what I got with the 722 as a line-in device, but I know it's longer than the standard versions but I can't remember by how much. A combined 3450-extra and 3450i can get me close to 11 hours with the 722's mic preamps/P48 before it finally dies, that I remember distinctly and that would be for approximately 110 Wh. The thing is a small tank, I've used it in blazing sun at festivals before and not had any issues. The big difference is the industrial edition has better specs for density and operating tolerances, plus a manual voltage switch instead of the sensing mechanism.
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Re: Tekkeon My Power MP3450
« Reply #54 on: September 16, 2011, 04:06:46 AM »
The big difference is the industrial edition has better specs for density and operating tolerances, plus a manual voltage switch instead of the sensing mechanism.

This part really confuses me, and is on their website as such too.  The 3450 that I have has a switch to select the voltage and blue LEDs to indicate what you've picked, but they list this as a plus for the 3450i.  Is that setting for me just show?  ???

Thanks!
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Re: Tekkeon My Power MP3450
« Reply #55 on: September 16, 2011, 09:47:58 AM »
The big difference is the industrial edition has better specs for density and operating tolerances, plus a manual voltage switch instead of the sensing mechanism.

This part really confuses me, and is on their website as such too.  The 3450 that I have has a switch to select the voltage and blue LEDs to indicate what you've picked, but they list this as a plus for the 3450i.  Is that setting for me just show?  ???

Thanks!

I sure hope the 3450 allows manual voltage selection.  I just ordered one on eBay yesterday.  My 3300 has manual selection, so I can't think of a reason that they'd bypass that feature on the 3450.
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Re: Tekkeon My Power MP3450
« Reply #56 on: September 16, 2011, 10:05:21 AM »
The big difference is the industrial edition has better specs for density and operating tolerances, plus a manual voltage switch instead of the sensing mechanism.

This part really confuses me, and is on their website as such too.  The 3450 that I have has a switch to select the voltage and blue LEDs to indicate what you've picked, but they list this as a plus for the 3450i.  Is that setting for me just show?  ???

Thanks!

the i model has dip switches controlling the voltage selection, 4 of them actually, and the various combinations of up/down select the voltage. The blue LEDs are purely for remaining power. Likewise, the power switch is a real power switch, not just a "lock" like it is on the non-i.

the standard 3450 model has a manual selection method but its method differs by battery revision and when I played with a couple, I don't recall it saving the voltage selection after you disconnect stuff for the night and turn it off.
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Re: Tekkeon My Power MP3450
« Reply #57 on: September 16, 2011, 10:13:38 AM »
How much time are you getting at 7.5v?  Does the v2 run hot at all at 7.5?

The V2 will run for hours and hours.  I've never calculated exactly how long, though.  I haven't noticed any excess heat coming off the unit at that setting.  Certainly no more than it ever let off with the 9V DVD. 
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Re: Tekkeon My Power MP3450
« Reply #58 on: September 16, 2011, 10:26:11 AM »
the i model has dip switches controlling the voltage selection, 4 of them actually, and the various combinations of up/down select the voltage. The blue LEDs are purely for remaining power. Likewise, the power switch is a real power switch, not just a "lock" like it is on the non-i.

the standard 3450 model has a manual selection method but its method differs by battery revision and when I played with a couple, I don't recall it saving the voltage selection after you disconnect stuff for the night and turn it off.

That description of the standard 3450 sounds just like the 3300 -- and how I hoped it worked.  The fact that it doesn't save the voltage selection is by design -- so that you can't accidentally plug in something demanding less volts and have it get zapped by the higher voltage that you locked in previously.  I think it's a good thing that each time you connect something you have to incrementally increase the voltage, starting at the bottom, and then "lock" it just for that operating session.
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Re: Tekkeon My Power MP3450
« Reply #59 on: September 16, 2011, 10:54:01 AM »
the i model has dip switches controlling the voltage selection, 4 of them actually, and the various combinations of up/down select the voltage. The blue LEDs are purely for remaining power. Likewise, the power switch is a real power switch, not just a "lock" like it is on the non-i.

the standard 3450 model has a manual selection method but its method differs by battery revision and when I played with a couple, I don't recall it saving the voltage selection after you disconnect stuff for the night and turn it off.

That description of the standard 3450 sounds just like the 3300 -- and how I hoped it worked.  The fact that it doesn't save the voltage selection is by design -- so that you can't accidentally plug in something demanding less volts and have it get zapped by the higher voltage that you locked in previously.  I think it's a good thing that each time you connect something you have to incrementally increase the voltage, starting at the bottom, and then "lock" it just for that operating session.

yeah, I can see the appeal, it just wigs me out since I did some run'n'gun style stuff that weekend so messing with the batteries wasn't on my list. I personally like the dip switches, but it's nice they have two different design options.
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Re: Tekkeon My Power MP3450
« Reply #60 on: September 16, 2011, 08:41:08 PM »
yeah, I can see the appeal, it just wigs me out since I did some run'n'gun style stuff that weekend so messing with the batteries wasn't on my list. I personally like the dip switches, but it's nice they have two different design options.

Ah, yes.  It does reset to 5v every time I plug something else in.

Chris responded last night to my 'over warranty by a bit' email and issued an RMA saying a few weeks over would be honored.  Good customer service, still unreliable.  I'm going to ask about paying up to the 3450i, I doubt they will do that, as that's kind of odd, but I can't get another 3450 and trust it more than 12 months. 
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Re: Tekkeon My Power MP3450
« Reply #61 on: September 16, 2011, 09:59:38 PM »
I used 6v SLAs and 7.2v/NIMH Battery Packs to power my old v2/v3
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Re: Tekkeon My Power MP3450
« Reply #62 on: September 17, 2011, 03:35:48 PM »
I have used lion and lipoly packs for over 9 years and never had a problem with them.  As long as you use them within the specified/manufacturer power reqmts you should be fine.   Stay away from auto sensing varity though.
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Re: Tekkeon My Power MP3450
« Reply #63 on: September 18, 2011, 08:44:09 PM »
I just got my new 3450 R2 this weekend and I can't figure it out.  It's directions say to turn the unit on, connect the DC out cable, and then press the voltage selector button until the desired voltage is illuminated.  Mine is not working like that.  Whether the unit is on or off, pressing the voltage button is just showing me how much power is left.  The lights aren't changing at all.
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Re: Tekkeon My Power MP3450
« Reply #64 on: September 18, 2011, 08:55:10 PM »
Have you tried plugging in the DC output cable yet?  It's functionality changes when a cable is plugged in and whether or not the LOCK function is engaged. 
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Re: Tekkeon My Power MP3450
« Reply #65 on: September 19, 2011, 06:35:50 AM »
I just got my new 3450 R2 this weekend and I can't figure it out.  It's directions say to turn the unit on, connect the DC out cable, and then press the voltage selector button until the desired voltage is illuminated.  Mine is not working like that.  Whether the unit is on or off, pressing the voltage button is just showing me how much power is left.  The lights aren't changing at all.

I'm pretty sure that you have to also have it plugged into the device that you will be powering to set the voltage...

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Re: Tekkeon My Power MP3450
« Reply #66 on: September 19, 2011, 08:09:58 AM »
I just got my new 3450 R2 this weekend and I can't figure it out.  It's directions say to turn the unit on, connect the DC out cable, and then press the voltage selector button until the desired voltage is illuminated.  Mine is not working like that.  Whether the unit is on or off, pressing the voltage button is just showing me how much power is left.  The lights aren't changing at all.

I'm pretty sure that you have to also have it plugged into the device that you will be powering to set the voltage...

I found it depended on revision for being connected to what you're powering, but both needed the cable plugged into the battery to change it.

//loves his dipswitches.  :P
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Re: Tekkeon My Power MP3450
« Reply #67 on: September 19, 2011, 08:26:39 AM »
I just got my new 3450 R2 this weekend and I can't figure it out.  It's directions say to turn the unit on, connect the DC out cable, and then press the voltage selector button until the desired voltage is illuminated.  Mine is not working like that.  Whether the unit is on or off, pressing the voltage button is just showing me how much power is left.  The lights aren't changing at all.

I'm pretty sure that you have to also have it plugged into the device that you will be powering to set the voltage...

I found it depended on revision for being connected to what you're powering, but both needed the cable plugged into the battery to change it.

//loves his dipswitches.  :P

I'll have to try that when I get home tonight.  The DC output cable was connected, as the instructions said to do, but I didn't connect the other end to anything because I didn't want to risk damaging something until I'd confirmed that I could manually set the voltage.
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Re: Tekkeon My Power MP3450
« Reply #68 on: September 19, 2011, 08:59:15 AM »
The Tekkeon 3xxx series does not "turn on" until you short the smallest pin to the closest large pin on the input connector.  By default this only happens when you insert both the output cable and connect the tip (one of the pins on the tip shorts the connection) to the output cable.

You can then adjust the voltage as long as the voltage is not "locked"

I am not suggesting to short the pins with a jumper wire but just describing how the battery works.

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Re: Tekkeon My Power MP3450
« Reply #69 on: September 19, 2011, 06:19:22 PM »
I just got my new 3450 R2 this weekend and I can't figure it out.  It's directions say to turn the unit on, connect the DC out cable, and then press the voltage selector button until the desired voltage is illuminated.  Mine is not working like that.  Whether the unit is on or off, pressing the voltage button is just showing me how much power is left.  The lights aren't changing at all.

I'm pretty sure that you have to also have it plugged into the device that you will be powering to set the voltage...

I found it depended on revision for being connected to what you're powering, but both needed the cable plugged into the battery to change it.

//loves his dipswitches.  :P

I'll have to try that when I get home tonight.  The DC output cable was connected, as the instructions said to do, but I didn't connect the other end to anything because I didn't want to risk damaging something until I'd confirmed that I could manually set the voltage.

Have you tried connecting both ends then setting the tekkeon's voltage and finally turning on the recorder?
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Re: Tekkeon My Power MP3450
« Reply #70 on: September 19, 2011, 06:23:14 PM »
Have you tried connecting both ends then setting the tekkeon's voltage and finally turning on the recorder?

Yep, that's the trick.  Everything is fine now.
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Re: Tekkeon My Power MP3450
« Reply #71 on: September 26, 2011, 01:50:10 PM »
Before I order this, will it work well with a UA5 pre-amp?   I'm not too trusting of these 9V dvd batteries I've been using and especially with taping a festival, I need many hours and not have to keeping swapping out dvd batteries

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Re: Tekkeon My Power MP3450
« Reply #72 on: October 24, 2011, 07:34:10 PM »
Bumping thread to add:

I just sent mine back to Tekkeon today for either service or replacement today.  It started rapidly dropping from full charge to no charge it was able to provide power for a whole show, but not without worry.  It's only a little over a year old and was issued after their charger recall, but it looks like there may be a circuitry problem that affects performance.

Been happy with it until this problem started to surface in June/July.  Noticed other tapers have had similar issues outside of warranty and Tekkeon has been good about replacing them so we'll see how this turns out.  Probably too soon to tell if anyone has had problems with a replacement battery yet.  If a replacement battery develops the same problem after only one year I don't think I'd get another one.

fwiw: My model is a myPower ALL plus external laptop battery [MP3450 R2], not the industrial version.   It was ordered from Amazon not a 3rd party Amazon seller.  Its voltage is only selected manually via the top button, it does not have automatic voltage selection or dip switches.  It does automatically default to 5V to help prevent over voltage and locks to the voltage you select once you've connected it to the device you are powering.  Apparently there are different versions or some models have automatic voltage selection which some people have and has given them voltage problems. 


« Last Edit: October 24, 2011, 08:05:34 PM by DigiGal »
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Re: Tekkeon My Power MP3450
« Reply #73 on: November 04, 2011, 05:42:14 PM »
Be very, Very, VERY careful running the Tekkeon with the 680 and do not use the automatic detection settings. Now on our 3rd DR-680, Acidjack and myself and all but confident this will fry/corrupt the unit; it must be sending too much voltage through while making the detection.

I'm hopeful it's safe to use a tekkeon on the manual 12v setting, but we're not about to fry our third unit to test and it's always worked flawlessly on 9v DVD batts.

hi and low: i recently got a DR-680 and was powering it with a Tekkeon manually set to 12v.  after three shows the DR-680 died on me twice.  i had to shut it down, let it rest for a while, and when i fired it back up all was fine for the remainder of the shows.  i thought for sure the problem was DR-680 because the Tekkeon worked flawlessly with other devices.  after exchanging my DR-680 for a new unit and having the exact same problem during its first outing i started to think that the Tekkeon was the issue.  after seeing your post i'm more certain that the Tekkeon is the issue.  i'm on the hunt for a 12v DVD battery and hopefully will cure the problem.  batterygeek seems to have some good options.


afer trouble-shooting the 680 every which way from Sunday it turns out that the Tekkeon was not the (entire) problem.  there is only a small handful of people that seem to be having success using the 680 with an external battery...and i ain't one of 'em!  the 680 as a field recorder run with external battery power is simply a POS.  for anyone considering the 680, take heed of the multiple warinings.  i sure do wish i would have listened.

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Re: Tekkeon My Power MP3450
« Reply #74 on: November 09, 2011, 04:52:21 PM »
Update to add:  Tekkeon came through and replaced my MP3450 R2 out of warranty.  The replacement arrived today, hope it lasts longer than the original.  All they said was they found a problem with my battery and apologized for the difficulties but didn't elaborate further.
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