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  1. #1
    Formerly PaintPeelinPbody
    Reputation: PHeller's Avatar
    Join Date
    Dec 2012

    Runtimes - 2x Quality 18650 vs 4x Cheapos

    Anyone know the runtime (or output) differences between a pair of high quality 18650 like the Panasonic NCR18650B and a set of 4x 18650 cheapo usually included with Kaidomain and Gearbest lights?

    I've got nearly 6 high quality Samsung and Panasonic cells with capacities over 3000mAh, and I'd rather run two of those (in a case like the Fenix BA4C versus 4 of the cheapos.
    Utility Mapping (GIS) by day, volunteer trail mapper by night.

  2. #2
    mtbr member
    Join Date
    Jul 2013
    No doubt runtime and consistency will be greater with the Panasonic and Samsung batteries. Chinese packs aren't usually high capacity nor high quality. A battery box with your own cells or a pack made of quality cells is the way to go.

  3. #3
    mtbr member
    Join Date
    May 2005
    The lack of consistent performance of the cheap packs makes this a wildly variable comparison.

    Your good cells in a 2S configuration will have ~3000mAh capacity

    The best of the cheap cells in a 2S2P configuration will be ~4000mAh capacity.

    So if you had a really good cheap pack, it would last ~25% longer than a pair of high capacity cells.
    GoPro adapters for bike lights

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