Test/review of Vapcell INR21700 3000mAh (Black) 2018

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Test of Vapcell INR21700 3000mAh (Black) 2018

Vapcell INR21700 3000mAh (Black) 2018

Official specifications:

  • Capacity: 3000mAh

  • Nominal voltage: 3.7V

  • Maximum continuous discharge: 36A

A high current 21700 cell with moderate capacity.

The discharge curves looks fine with well matched cells and only a slight capacity drop as current increases.


The cell can deliver about 3000mA very fast, this looks like a good cell.

Notes and links

The batteries was supplied by Vapcell 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

Thanks for doing this test. I am fighting the jump to 21700 cells.

Thanks HKJ.

Nice! Thanks for the testing.