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Thread: Test/review of Golisi IMR20700 3200mAh S32 (Black) 2018

  1. #1
    HKJ's Avatar
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    Default Test/review of Golisi IMR20700 3200mAh S32 (Black) 2018

    Golisi IMR20700 3200mAh S32 (Black) 2018



    Official specifications:
    • Size: 20 x 70mm
    • Model: 20700
    • Capacity: 3200mAh
    • Constant Current: 30A
    • Nominal Voltage: 3.7V
    • Charging cut-off voltage: 4.20±0.05V
    • Cycle times: >800
    • Charging Time: 2.5H(with Golisi Charger)
    • Operate temperature: Charging(0-45?), Discharging(-20-60?)
    • Storage Temperature: Room temperature, dry place




    This battery is a high current one and is of the never sizes.











    The two batteries do not match completely, the capacity is nearly constant at any load.





    At 30A I had to stop early due to temperature.















    Conclusion

    This battery looks like a fairly good high current cell.



    Notes and links

    The batteries was supplied by Golisi for review.

    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 26650 and other batteries
    My website with battery, charger, usb reviews, comparisons & information: https://lygte-info.dk/
    Latest addition is multimeter reviews

  2. #2
    Flashaholic bwDraco's Avatar
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    Dec 2012
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    New York
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    Default Re: Test/review of Golisi IMR20700 3200mAh S32 (Black) 2018

    Looks like yet another Panasonic NCR20700A cell. Great performers as expected, though the cell getting hot at 30A discharge is a bit concerning.

    Regardless, it's remarkable just how far battery technology has come...

    Draco
    Nitecore MH20, SRT7GT, Tube – Fenix LD20
    Reviews: SRT7 (SRT7GT comparison) – LD20

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