Eizfan 18650 2600mAh (Black) 2018
%202018/DSC_4677.jpg)
Official specifications:
- Capacity: 2600mAh
- Nominal voltage: 3.7V
- Maximum continuous current: 25A
- Maximum pulse current: 35A
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-info.png)
This is a high current 18650 cell.
%202018/DSC_4684.jpg)
%202018/DSC_4676.jpg)
%202018/DSC_4679.jpg)
%202018/DSC_4680.jpg)
%202018/DSC_4681.jpg)
%202018/DSC_4682.jpg)
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-Capacity.png)
The discharge curves tracks nicely and the cells can handle the 20A curve without problems, at 30A they get too hot.
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-Temp-20.0.png)
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-Temp-30.0.png)
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-CapacityTimeHours.png)
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-CapacityTime.png)
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-Energy.png)
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-PowerLoadTime.png)
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-TripCurrent.png)
%202018/Eizfan%2018650%202600mAh%20(Black)%202018-Charge.png)
Conclusion
This is a good high current battery and it can deliver a lot of current and like all high current batteries there is a trade-off in capacity.
Notes and links
The batteries was supplied by Eizfan (Efan) 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