Vapcell INR21700 4000mAh (Gold) 2019

DSC_1474

Official specifications: Vapcell%20INR21700%204000mAh%20(Gold)%202019-info

This is a high current 21700 cell with good capacity.

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DSC_1478 DSC_1479

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Vapcell%20INR21700%204000mAh%20(Gold)%202019-Capacity

The two cells match nicely, but do not like a continuous 30A discharge (I only tried that on the first cell). The capacity donot change much with load.

Vapcell%20INR21700%204000mAh%20(Gold)%202019-Temp-15.0

Vapcell%20INR21700%204000mAh%20(Gold)%202019-Temp-20.0

Vapcell%20INR21700%204000mAh%20(Gold)%202019-CapacityTimeHours

Vapcell%20INR21700%204000mAh%20(Gold)%202019-CapacityTime

Vapcell%20INR21700%204000mAh%20(Gold)%202019-Energy

Vapcell%20INR21700%204000mAh%20(Gold)%202019-PowerLoadTime

Vapcell%20INR21700%204000mAh%20(Gold)%202019-TripCurrent

Vapcell%20INR21700%204000mAh%20(Gold)%202019-Charge

Discharge-Vapcell-inr21700-4000mah-gold-pulse-1.0%2010%2010-IR


Conclusion

This is a good high current cell, but 30A continuous is too much for the internal fuse.



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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries