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  • Perfect for charging and using a single Lithium Ion 18650 battery

    posted by racitup on 01/11/2018

    Impression:Very handy!;

    25
    Super-cheap way to charge and use 18650 LiIon cells. Just put in a LiIon cell and plug into your Android micro-usb phone charger. Uses an SY3500 chip.
    Pros:
    - Exceptional value for money
    - Cheap and easy way to use high capacity LiIon cells
    - 5V in, 5V out, protects the battery
    - Charge and discharge at about 0.7A
    - *Should* be long enough for both unprotected (flat-top, shorter) AND protected (button top, longer) LiIon cells (not tested)
    Cons:
    - Lid is very tight (hold firmly and push the edge of the lid (has an eject symbol on it) from the connector end to unclip)
    - I had to make my own tiny hole in the case to see the LED!
    - Be very careful when charging small capacity batteries (1500mAh or less) and make sure they don't overheat!
    • Perfect for charging and using a single Lithium Ion 18650 battery
    • Perfect for charging and using a single Lithium Ion 18650 battery

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