Test/review of Keeppower INR21700 3000mAh NM2130 (Black) 2019

[HKJ]

Keeppower INR21700 3000mAh NM2130 (Black) 2019







Official specifications:

• Capacity min.: 2900mAh

• Capacity typ.: 3000mAh

• Nominal voltage: 3.70V

• Charge voltage: 4.20+/-0.05V

• Standard discharge cut-off voltage: 2.50V

• Standard charge current: 1500mA

• Charge termination current: 150mA

• Max. continuous discharge current: 35A

This is a high current 21700 battery with fairly low capacity for its size.










This discharge curves matches very fine and capacity is basically the same at any current.





















Conclusion

This is good battery when needing high current.



Notes and links

The battery was supplied by Keeppower 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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries

[Superstocker]

Thanks HKJ!

[d_t_a]

Any idea if this might be a rewrapped Samsung 30T or some other 3000mAh 21700 battery?

I can’t seem to find this battery yet in the battery comparator to try to match discharge curves of other known 3000mAh 21700 batteries…