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Thread: 10440 battery for k18

  1. #1

    Default 10440 battery for k18

    Hello All,

    Can anyone recommend a good and by that I mean safe 10440 for my k18

    Seem to be struggling to find any apart from Chinese sellers on eBay etc which I don't really trust....

    Many thanks

  2. #2
    Flashaholic Budda's Avatar
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    Default Re: 10440 for k18

    Efest 10440.
    Beware that the K18 overdischarges the li ion cells.
    Be sure to recharge the 10440 as soon as you see the output fade.

  3. #3
    Flashaholic* Timothybil's Avatar
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    Default Re: 10440 for k18

    I too use the Efest 10440 cells in my AAA lights. Haven't had any problems and great performance.
    You don't NEED a parachute to skydive. You DO need a parachute to skydive twice.

  4. #4
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    archimedes's Avatar
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    Default Re: 10440 battery for k18

    Seems like you may already have the answer above, but I think this thread will have more visibility in the "Batteries Included" subforum ....

    Thread moved, with a redirect
    ... is the archimedes peak

  5. #5
    Flashaholic* Timothybil's Avatar
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    Default Re: 10440 for k18

    Quote Originally Posted by Timothybil View Post
    I too use the Efest 10440 cells in my AAA lights. Haven't had any problems and great performance.
    I just checked, and I also have some KeepPower in the 145400 size which also are working quite well, so a 10440 cell from them should also be good.
    You don't NEED a parachute to skydive. You DO need a parachute to skydive twice.

  6. #6
    Flashaholic* snakebite's Avatar
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    Default Re: 10440 for k18

    the pkcell 10440 has proven good in my tests and is the exact cell efest is rewrapping.
    inexpensive on ebay from a us/canada seller.
    http://www.ebay.com/itm/PKCELL-4PC-AAA-ICR-10440-Rechargeable-Lithium-Battery-Botton-Top-For-Flashlight-/282274500805?hash=item41b8df10c5:g:auAAAOSw4GVYPn2 R


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