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  • Fast charger for 18650 batteries

    posted by Yenster on 12/07/2007
    0

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:

    Fast charger for 18650 batteries. I measured an initial total of 1.7A for two drained cells. Takes about 4 hours to charge 2 drained batteries. A single drained cell is appropiately limited to 1 A. Will fully charge cells since it will continue to charge after the light turns green.

    Cons:

    Not much of a con, but the indicator light will turn from red to green at around 4.15 volts. However, the charge will continue if the batteries are left in the charger. Not really a problem since the output voltage is measured at 4.24V.

    OtherThoughts:

    The cells will get slightly warm during charge. The charge doesn't stop when the indicator light turns green, which to me, is a plus in this charger since it will very slowly creep up towards 4.24V. Leaving the batteries in the craddle for an additional hour past the green indicator will result in 4.20V. It may take several more hours to reach 4.22V.

    Bottomline:

    This is currently the fastest and best 18650 charger on this site.

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