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Thread: Test/review of Liter INR20650 3400mAh (Blue)

  1. #1
    HKJ's Avatar
    Join Date
    Mar 2008
    Copenhagen, Denmark

    Default Test/review of Liter INR20650 3400mAh (Blue)

    Liter INR20650 3400mAh (Blue)

    Official specifications:
    • Model Number: NCR20650
    • Nominal Capacity: 3400mAh
    • Nominal Voltage: 3.7V
    • Charge Method: Constant Current Constant Voltage
    • Charge Voltage: 4.2V
    • Charge Current: 2065mA
    • Weight: 58g
    • Size:20x65mm
    • Made in: Korea

    A 20650 battery with not that much capacity for the size, how much current can it deliver?

    These discharge curves do not look very good, the batteries are a bit mismatched and they can barely deliver 7A.

    At least they stay fairly cool.


    When batteries get larger I generally expect more capacity or more current, or even both, but this battery has less of both. A good 18650 has the same capacity and can deliver more current

    Notes and links

    How is the test done and how to read the charts
    How is a protected LiIon battery constructed
    More about button top and flat top batteries
    Compare to 18650 and other batteries
    My website with battery, charger, usb reviews, comparisons & information: https://lygte-info.dk/
    Latest addition is multimeter reviews

  2. #2
    Flashaholic Nokoff's Avatar
    Join Date
    Apr 2010
    Cheers, USA 🇺🇸

    Default Re: Test/review of Liter INR20650 3400mAh (Blue)

    Thanks for your review!

    Kinda ironic that a name which means a volume has little of it in either Amps or Amp hours.
    Nokoff is back!..and made in China

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