Golisi IMR21700 3750mAh S35 (Black)

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Official specifications: Golisi%20IMR21700%203750mAh%20S35%20(Black)-info

A high current with fairly high capacity 21700 cell.

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Golisi%20IMR21700%203750mAh%20S35%20(Black)-Capacity

The two cell has different capacity, but both has fairly constant capacity even at high load. One cell is close to stated capacity at low low, the other is a bit low.

Golisi%20IMR21700%203750mAh%20S35%20(Black)-Temp-15.0

Golisi%20IMR21700%203750mAh%20S35%20(Black)-Temp-20.0

Temperature is acceptable at 20A

Golisi%20IMR21700%203750mAh%20S35%20(Black)-Temp-30.0

But at 20A I had to stop the discharge due to heat.

Golisi%20IMR21700%203750mAh%20S35%20(Black)-CapacityTimeHours

Golisi%20IMR21700%203750mAh%20S35%20(Black)-CapacityTime

Golisi%20IMR21700%203750mAh%20S35%20(Black)-Energy

Golisi%20IMR21700%203750mAh%20S35%20(Black)-PowerLoadTime

Golisi%20IMR21700%203750mAh%20S35%20(Black)-TripCurrent

Golisi%20IMR21700%203750mAh%20S35%20(Black)-Charge



Conclusion

The current and capacity is good, but I do not like that the cells have different capacity.



Notes and links

The battery 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 18650 and other batteries