Evva 21700 5000mAh (Black-silver) 2021

DSC_4315

Official specifications:
Evva%2021700%205000mAh%20(Black-silver)%202021-info

This is a high capacity 21700 cell with protection.

DSC_4314

DSC_4316 DSC_4317

DSC_4318
DSC_4319

Evva%2021700%205000mAh%20(Black-silver)%202021-Capacity

The two cells match very nicely and the protection kicks in at higher currents, but it is a bit slow to reconnect the output, i.e. it failed to reconnect during my automatic test and I did not get all the curves.

Evva%2021700%205000mAh%20(Black-silver)%202021-Temp-5.0

Evva%2021700%205000mAh%20(Black-silver)%202021-Temp-10.0

Evva%2021700%205000mAh%20(Black-silver)%202021-Temp-15.0

Evva%2021700%205000mAh%20(Black-silver)%202021-CapacityTimeHours

Evva%2021700%205000mAh%20(Black-silver)%202021-CapacityTime

Evva%2021700%205000mAh%20(Black-silver)%202021-Energy

Evva%2021700%205000mAh%20(Black-silver)%202021-Charge

Discharge-Evva%2021700%205000mAh%20%28Black-silver%29%202021-pulse-1.0%2010%2010-IR



Conclusion

This is a good protected battery.


Notes and links

The batteries was supplied by Eeva 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 21700 and other batteries
Table with all tested LiIon batteries