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Author Topic: 18650 LiON Batt Box  (Read 4724 times)

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Offline mblindsey

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Re: 18650 LiON Batt Box
« Reply #15 on: April 27, 2014, 06:25:22 PM »
those are not to be put in parallel or Series...

These are ok to gang up...2 in series for 7.2v....3 in series for 11.1v

http://www.ebay.com/itm/2-x-Battery-Holder-Case-box-for-4-18650-Li-ion-battery-w-6-Wire-Lead-/360900054694?pt=LH_DefaultDomain_0&hash=item540751cea6

No protection though...Would be nice to get a over discharge circuit that cuts off at a set low voltage. 

Just charge the individual cells

http://www.ebay.com/itm/NEW-NITECORE-i4-V2-Intelligent-Charger-for-NiMH-NiCD-Li-ion-18650-CR123-/120924111601?pt=Battery_Chargers&hash=item1c27a382f1

what i'm thinking is that you could just get some of these (something like them)  to put inside a DVD battery and use all the existing circuitry.  If if they will fit.  There are three 18650s on either side in a DVD/wally world batt.  Then, when they go bad, just pop the box open and replace batteries at-will....no soldering of batteries.  I have a dead battery I can try this on...rainy day project.
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Offline Chuck

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Re: 18650 LiON Batt Box
« Reply #16 on: April 27, 2014, 07:20:07 PM »
My guess is that there isn't enough room for the holders in a DVD battery.
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Offline Colin Liston

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Re: 18650 LiON Batt Box
« Reply #17 on: April 28, 2014, 08:04:15 AM »
Couldn't you take the electronics out and put everything into new new case/box?
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Offline mblindsey

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Re: 18650 LiON Batt Box
« Reply #18 on: April 28, 2014, 08:46:01 AM »
Couldn't you take the electronics out and put everything into new new case/box?

Thought about that too.  Seems like a couple hours more work  ;D
Mics:  Microtech Gefell m200/M20/nBob Actives>PFA
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Offline woodbine

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Re: 18650 LiON Batt Box
« Reply #19 on: May 11, 2014, 10:20:57 AM »
Finally all the bits arrived for this:https://www.flickr.com/photos/124089182@N07/.
14.8v 3100mah, with protection. I still have to make up the lead to a Hirose connector, but this will power my SD552 for best part of a days recording on location. I wanted the Panasonic 3400mah batteries, but Fasttech were sold out. I may heat shrink the whole thing for extra protection and if it works well I will make up another one.

Offline Chuck

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Re: 18650 LiON Batt Box
« Reply #20 on: May 11, 2014, 10:43:41 AM »
Cool, let us know how it goes.
Reality is merely an illusion, albeit a very persistent one.

Microphones: (2) Microtech Gefell M300, (2) AKG C 480 B comb-ULS/ CK 61/ CK 63, (2) CAD GXL1200 (cardioid and sub-cardioid capsule & electronics mod), (2) Audix M1290-o, (2) Micro capsule active cables w/ Naiant PFA's, (2) Naiant MSH-1O, (2) Naiant AKG Active cables, (2) Church CA-11 (cardioid), (2) CAD C9, (1) Nady SCM-1000 (mod)
Pre-amps: Naiant littlekit v2.0, BM2p+ Edirol UA-5, Church STC-9000
Recorders: Sound Devices MixPre-6, Tascam DR-680, iRiver iHP-120 (Rockboxed & RTC mod)

Recordings on the LMA: http://www.archive.org/bookmarks/ChuckM
Recording website & blog: http://www.timebetweenthenotes.com

kirk97132

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Re: 18650 LiON Batt Box
« Reply #21 on: May 11, 2014, 10:49:49 AM »
Looks like a nice sled. And to chime in on previous post, there is no way to fit that into a wallyworld case.  Removing the guts to reinstall into another case does "sound" like a good idea but retro fitting the layout to match the existing circuit boards would be way more work than I would ever want to tackle and IMO way more than a few hours work.  Output voltage is too high for Tascam DR-680 in case anyone wondered.

Offline woodbine

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Re: 18650 LiON Batt Box
« Reply #22 on: May 11, 2014, 04:43:22 PM »
You can buy these sleds in 3.7, 7.2, 11.1 and 14.4volt configurations.

Offline Massive Dynamic

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Re: 18650 LiON Batt Box
« Reply #23 on: May 12, 2014, 09:40:38 PM »
Finally all the bits arrived for this:https://www.flickr.com/photos/124089182@N07/.
14.8v 3100mah, with protection. I still have to make up the lead to a Hirose connector, but this will power my SD552 for best part of a days recording on location. I wanted the Panasonic 3400mah batteries, but Fasttech were sold out. I may heat shrink the whole thing for extra protection and if it works well I will make up another one.

I got mine from r-l sales, http://www.ebay.com/itm/2-PANASONIC-NCR18650B-LI-ION-BATTERY-3400mAh-3-7v-18650-NEW-PROTECTION-PCB-JAPAN-/370925377492
They've worked fine in my flashlight. Also, Trustfire and Ultrafire are brands that are typically to be avoided and the mAh grossly overrated.
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Offline StuStu

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Re: 18650 LiON Batt Box
« Reply #24 on: May 20, 2014, 06:05:31 PM »
Finally all the bits arrived for this:https://www.flickr.com/photos/124089182@N07/.
14.8v 3100mah, with protection. I still have to make up the lead to a Hirose connector, but this will power my SD552 for best part of a days recording on location. I wanted the Panasonic 3400mah batteries, but Fasttech were sold out. I may heat shrink the whole thing for extra protection and if it works well I will make up another one.

I got mine from r-l sales, http://www.ebay.com/itm/2-PANASONIC-NCR18650B-LI-ION-BATTERY-3400mAh-3-7v-18650-NEW-PROTECTION-PCB-JAPAN-/370925377492
They've worked fine in my flashlight. Also, Trustfire and Ultrafire are brands that are typically to be avoided and the mAh grossly overrated.


I've used Ultrafire in flashlights and agree that they should be avoided.
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