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Author Topic: Battery Solution For Lunatec V2  (Read 6596 times)

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Offline zman

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Battery Solution For Lunatec V2
« on: April 23, 2013, 12:20:09 AM »
A few years ago, I bought a pair of batteries for my V2. They were Impact batteries (Universal Portable DVD Battery Pack), sometimes referred to as Walmart Batteries. My batteries are about done. They are no longer made. I was wondering if anyone has a solution for me. I found a couple of ideas on line. Just wondering if anyone had any ideas.
I Can't Die Now, Cuz I've Got Another Show To Do!

Offline flipp

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Re: Battery Solution For Lunatec V2
« Reply #1 on: April 23, 2013, 12:29:58 AM »
Don't dispose of them. They can be rebuilt/refurbed. See the following thread for details.

http://taperssection.com/index.php?topic=153993.0
« Last Edit: April 23, 2013, 12:31:55 AM by flipp »

Marshall7

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Re: Battery Solution For Lunatec V2
« Reply #2 on: April 23, 2013, 12:46:50 AM »
Hey, Z - I use this with my V3.  Pricey, but works well.

http://www.jr.com/naztech/pe/NAZ_PB15000/

Offline tgakidis

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Re: Battery Solution For Lunatec V2
« Reply #3 on: April 23, 2013, 02:23:46 AM »
Don't dispose of them. They can be rebuilt/refurbed. See the following thread for details.

http://taperssection.com/index.php?topic=153993.0

This is your most economical solution and you will actually get longer run time.
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Offline zman

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Re: Battery Solution For Lunatec V2
« Reply #4 on: April 23, 2013, 10:45:00 AM »
Anyone seen these?:
http://www.amazon.com/Anker-10000mAh-External-GT-P1000-GT-P1000N/product-reviews/B005NGLTZQ

Same price as my old Walmart batteries and a USB as well, plus 10000 miliamps.


Hmm.....
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Offline tgakidis

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Re: Battery Solution For Lunatec V2
« Reply #5 on: April 23, 2013, 11:07:21 AM »
The Anker Astro3 10000mAh Multi-voltage has the following spec:
 9,12v & 5v USB Port
Size M, 5.50mm OD × 2.10mm ID

I can either build you a new one or modify you existing cable Zman, LMK.
GAKables: Custom XLR, Digi & Batt Cables http://taperssection.com/index.php?topic=133186.0

Mics: Telefunken RFT AR-51 / Telefunken ELA M 260 (tk60,tk61,tk62) / Telefunken M60 / AKG c426b / AKG c414 xls / AKG c414 B-XLS / AKG c460b (ck61,ck62,ck63,ck69,a60,ck1,ck22,ck3,ck8,Blue B6) / nBob AKG Actives>PFA/ nBob AKG Actives>nBox Platinum / Naiant AKG Actives>PFA / AT853 w/ 4.7k Mod (Card,Omni,Sub)
Pre-Amps: Sonosax SX-M2 / Lunatec V3
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Offline jbell

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Re: Battery Solution For Lunatec V2
« Reply #6 on: April 23, 2013, 11:08:43 AM »
« Last Edit: April 23, 2013, 11:10:38 AM by jbell »
Microtech Gefell M20's> Nbob KCY> Naiant PFA(60V)> Sound Devices Mixpre-6

kirk97132

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Re: Battery Solution For Lunatec V2
« Reply #7 on: April 23, 2013, 11:27:12 AM »
I wonder at what voltage is the 10,000 mAh rating?  If it is at 5V(USB) then ratings at 9V & 12V are  significantly lower.  I'd ask before I got one to power a V2.  Or hit me up and we can talk about referb your old DVD batt and get it to give you run times that rival the 10,000 mAh ratings. Check thread for pricing links, Kirk

http://taperssection.com/index.php?topic=153993.0

Offline Todd R

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Re: Battery Solution For Lunatec V2
« Reply #8 on: April 23, 2013, 11:28:00 AM »
Anyone seen these?:
http://www.amazon.com/Anker-10000mAh-External-GT-P1000-GT-P1000N/product-reviews/B005NGLTZQ

Same price as my old Walmart batteries and a USB as well, plus 10000 miliamps.


Hmm.....

Hey Z-man,

Don't really have a good recommendation for a battery, but for some insight on this one:

I have a smaller version of an Anker battery for use with my Sound Devices USBPre2, running at 5v.  It is a nice battery and works well.  But my battery, and I'm sure this one, spec's out it's mA-hr rating at the level of the 3.7v internal li-ion batteries that it's built on.  This is misleading, though seem to be common among battery makers.

You'd want to run your V2 at 9v (ideally 6v, but 5v will be too low), so the Anker battery needs to step up the 3.7v voltage of its internal li-ion batteries to 9v with a DC-DC converter.

As a rough estimate for a mA-hr rating at 9v, you have:  3.7v / 9v * 10,000mAh * ~85% (since the DC-DC converter will not be 100% efficient).

Thus, at 9v operation, this battery is probably more like 3500 mAh of capacity, or enough for 6-7 hours of usage for the V2.  Not bad, but not as good as the reported 10,000mAh makes it seem.


EDIT:  Looks like kirk and I were posting at the same time, but my bet for mAr rating is what I have stated above.  I've done testing with mine, and based on current draw and time of operation, it really looks like my 5600mAh Anker battery is built on 2x 2800mAh li-ion cells (18650 cells I'd guess from the size and shape of my battery).
« Last Edit: April 23, 2013, 11:32:57 AM by Todd R »
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kirk97132

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Re: Battery Solution For Lunatec V2
« Reply #9 on: April 23, 2013, 11:38:53 AM »
Anyone seen these?:
http://www.amazon.com/Anker-10000mAh-External-GT-P1000-GT-P1000N/product-reviews/B005NGLTZQ

Same price as my old Walmart batteries and a USB as well, plus 10000 miliamps.


Hmm.....

Hey Z-man,

Don't really have a good recommendation for a battery, but for some insight on this one:

I have a smaller version of an Anker battery for use with my Sound Devices USBPre2, running at 5v.  It is a nice battery and works well.  But my battery, and I'm sure this one, spec's out it's mA-hr rating at the level of the 3.7v internal li-ion batteries that it's built on.  This is misleading, though seem to be common among battery makers.

You'd want to run your V2 at 9v (ideally 6v, but 5v will be too low), so the Anker battery needs to step up the 3.7v voltage of its internal li-ion batteries to 9v with a DC-DC converter.

As a rough estimate for a mA-hr rating at 9v, you have:  3.7v / 9v * 10,000mAh * ~85% (since the DC-DC converter will not be 100% efficient).

Thus, at 9v operation, this battery is probably more like 3500 mAh of capacity, or enough for 6-7 hours of usage for the V2.  Not bad, but not as good as the reported 10,000mAh makes it seem.
Todd, and Z-man,
Probably spec'd at the 5V rating as I suspected.  Yes battery makers can twist labeling to make it look like a huge capacity(which it is at 5V) but not at the higher voltage.  FWIW, not all batteries are created equal.  I've done some informal tests with different brand Li-ion batteries and a lower rated Panasonic battery will do much better than a higher rated off brand battery.  That is the reason I now recommend using some of the top name brands, they are a little more expensive but they kick ass.  I had gotten a tad behind on the battery side project due to the chance to work and make some money to pay bills but as I type this I'm sitting here working on Two DVD' batteries and a Tekkeon.....Thake a few minutes and check my link out.  Kirk

Offline Todd R

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Re: Battery Solution For Lunatec V2
« Reply #10 on: April 23, 2013, 11:51:12 AM »
Kirk -- it's even worse, it isn't spec'd at its lowest operating voltage of 5v, it is spec'd at the 3.7v voltage of the li-ion cells that it uses.  So probably more like 6,500mAh at 5v.

All in all, Kirk's refurb option may be your best bet.

Mics: Microtech Gefell m20/m21 (nbob/pfa actives), Line Audio CM3, Church CA-11 cards
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kirk97132

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Re: Battery Solution For Lunatec V2
« Reply #11 on: April 23, 2013, 12:12:00 PM »
Kirk -- it's even worse, it isn't spec'd at its lowest operating voltage of 5v, it is spec'd at the 3.7v voltage of the li-ion cells that it uses.  So probably more like 6,500mAh at 5v.

All in all, Kirk's refurb option may be your best bet.
That, sucks, and yet they still get to claim it's an accurate rating.  Thanks for the props.

Marshall7

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Re: Battery Solution For Lunatec V2
« Reply #12 on: April 23, 2013, 02:27:42 PM »
http://www.amazon.com/Naztech-PB15000-Universal-Charger-Extended/dp/B007URKIGC/ref=sr_1_1?s=electronics&ie=UTF8&qid=1366729644&sr=1-1&keywords=Naztech+15000

These have been popular lately and it would power a V2!  Mine has worked out well

Same battery I referenced earlier, but at a lot better price! 8)

Offline jbell

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Re: Battery Solution For Lunatec V2
« Reply #13 on: April 23, 2013, 05:27:57 PM »
I grabbed another one today!!  I wish I would have grabbed and extra when the clones were on ebay.

http://www.amazon.com/Naztech-PB15000-Universal-Charger-Extended/dp/B007URKIGC/ref=sr_1_1?s=electronics&ie=UTF8&qid=1366729644&sr=1-1&keywords=Naztech+15000

These have been popular lately and it would power a V2!  Mine has worked out well

Same battery I referenced earlier, but at a lot better price! 8)
Microtech Gefell M20's> Nbob KCY> Naiant PFA(60V)> Sound Devices Mixpre-6

stevetoney

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Re: Battery Solution For Lunatec V2
« Reply #14 on: April 24, 2013, 07:28:25 AM »
...and you still can't put a genie in a bottle.  Note that they say the anker battery is the size of a deck of cards.  There's just no battery out that that size that's gonna give 10k mah @ 9v.

Z.  I also have two nazteks and they're great.  If usb charging is important to you, go for these.  If value is a priority, have kirk refurb your wally worlds.  Personally, I'd do both.  Kirks refurb is very reliable and nearly doubles the capacity of your wally world batteries.

Ps, Bean and I will be @ scamp this year.  You going?  Fob blockers needed.  :)
« Last Edit: April 24, 2013, 07:32:46 AM by tonedeaf »

 

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