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Thread: Which Li ion 18650 cell should I use?

  1. #1
    Youngling Jordandau's Avatar
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    Default Which Li ion 18650 cell should I use?

    I picked up some laptop batteries and disassembled them to find various types of li ion 18650 unprotected cells inside. Here's a quick picture of the different types. I have at least 5 of each of these "brands"


    battery.jpg





    From L to R we have:

    Panasonic CGR18650HGL
    Sony Fukushima STG US18650GR
    Pale green, just labeled 18650-2200mAh (looks like the 14500 cells I got from allbattery)
    Pale purple/pink CGR18650CF, says Li-ion MH12210 also
    Red Sanyo MGMFJ12 020882 or in hard to read print: sanyo ur18650fj m32c
    Dark purple LGCP218650 F3051028684 DK011C3P2




    I've tried searching for specs, but mostly I just see random forum posts from people about mah not max current draw. Since I picked up a CF and want to do RGGB with GG in series and R for FOC I wanted to know would some of these untested batteries be better than the 14650s in the shop? I've worked out my build that I'm still flexible enough to do either 18650 stick pack or side by side 14650s, just some minor changes to things I had planned.

    Short story: I have an ungodly amount of these, would they be fine in the CF draw wise? Or should I stick with the shop batteries. I know these are fine for regular setup without a high draw so I'll keep them around for at least that purpose.
    Last edited by Jordandau; 06-07-2012 at 07:56 PM. Reason: Forgot one battery description

  2. #2

    Default

    Test the first and second type then use what is best.

  3. #3
    Youngling Jordandau's Avatar
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    Default

    Thanks!

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