Test/review of Keeppower INR21700 5000mAh NM2150 (Black) 2019

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HKJ
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Test/review of Keeppower INR21700 5000mAh NM2150 (Black) 2019

Keeppower INR21700 5000mAh NM2150 (Black) 2019
DSC_6865
Official specifications:


  • Capacity min.: 4750mAh
  • Capacity typ.: 4900mAh
  • Nominal voltage: 3.70V
  • Charge voltage: 4.20+/-0.05V
  • Standard discharge cut-off voltage: 2.50V
  • Standard charge current: 2450mA
  • Charge termination current: 100mA
  • Max. continuous discharge current: 10A
  • Max. pulse discharge current: 15A

Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-info
This is a high capacity cell of the 21700 size from Keeppower.
DSC_6864
DSC_6866 DSC_6867
DSC_6868
DSC_6869
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-Capacity
The two batteries tracks nicely, but the cell is not for high current, it can “only” deliver 10A continuous.
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-Temp-7.0
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-Temp-10.0
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-Temp-15.0
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-CapacityTimeHours
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-CapacityTime
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-Energy
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-PowerLoadTime
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-TripCurrent
Keeppower%20INR21700%205000mAh%20NM2150%20(Black)%202019-Charge
Keeppower%20INR21700%205000mAh%20NM2150%20%28Black%29%202019-Pulse-1A-10-10-2.5V-IR
Conclusion
These batteries have high capacity, but this also means lower maximum current.
They are good batteries.
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

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

The_Fat_Controller
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Joined: 09/13/2019 - 07:34
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Location: England

Nice test. very detailed Thank you!

Superstocker
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Thanks HKJ!

theguy
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Thanks