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Thread: 18650 DIY Powerbanks

  1. #1

    Default 18650 DIY Powerbanks

    Does anyone have any experience with 18650 DIY Powerbanks like the Tomo M2 or XTAR PB2. I am considering getting one instead of a regular power bank, because I have 18650 batteries already for a few flashlights and thought one of these might be versatile.

    Iím curious how well they work as powerbank for phone and or tablet. Does it also work to charge the batteries from other power source?

    I saw a couple older threads on these but nothing new.

  2. #2
    peter yetman's Avatar
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    Default Re: 18650 DIY Powerbanks

    I'm a great fan of the PB2, it's been a very useful device.
    It does cut off at low current draws and so doesn't charge my iPhone any more than 95%. However they now have an updated PB2S version which can use bigger cells and may well have fixed the low current problem.
    I have also used it to power chargers, a bluetooth speaker and a baby monitor.
    It also makes a very useful carry case for your cells, so as well as charging and powerbank, you can also pop out a charged cell and use it in a light.
    I wish more manufacturers would go down this route as the waste involved with non replaceable cells is not sensible.

    Here HKJs reviews on the two....

    https://www.candlepowerforums.com/vb...amp-power-bank

    https://www.candlepowerforums.com/vb...amp-power-bank

    P
    Peter's shopping list:- HDS / Oveready 170N Exec/LE and an Oveready V4 Nichia Drop In. Otherwise I'm content. Want want want, that's me.

  3. #3

    Default 18650 DIY Powerbanks

    Thanks for sharing the review and your opinion on the PB2.

  4. #4
    peter yetman's Avatar
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    Default Re: 18650 DIY Powerbanks

    Thanks for saying "Thank you" so few do.
    P
    Peter's shopping list:- HDS / Oveready 170N Exec/LE and an Oveready V4 Nichia Drop In. Otherwise I'm content. Want want want, that's me.

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