Keeppower IMR18650 NH1835 3500mAh (Black) 2016
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Official specifications:
- Nominal capacity: 3500mAh
- Minimum capacity: 3400mAh
- Nominal voltage: 3.70V
- Charge voltage: 4.20V 0/-0.05V
- Standard discharge cut-off: 2.50V
- Standard charge current: 1000mA
- Charge current cut-off: 50mA
- Max. Constant discharge current: 10A
- Max. Pulse discharge current: 20A
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The discharge curves looks very good with nice tracking, except the 20A curve, the battery did blow a fuse during that discharge.
This also means this test will be missing a few curves.
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Conclusion
The battery is very good, but cannot sustain 20A discharge, this matches the specifications.
Notes and links
The batteries 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
Compare to 18650 and other batteries