Sony US18650VC3 1900mAh (Green)
/DSC_7352.jpg)
Official specifications:
- Maximum capacity: 2000mAh
- Nominal voltage: 3.60V
- Maximum voltage: 4.20V
- Maximum continuous discharge current: 20A
- Peak discharge: 35A for 4 seconds
/Sony%20US18650VC3%201900mAh%20(Green)-info.png)
This is a older generation of Sony high current battery.
/DSC_7351.jpg)
/DSC_7354.jpg)
/DSC_7355.jpg)
/DSC_7356.jpg)
/Sony%20US18650VC3%201900mAh%20(Green)-Capacity.png)
The discharge curves tracks nicely and has nearly constant capacity up to 20A. 30A is too much.
/Sony%20US18650VC3%201900mAh%20(Green)-Temp-15.0.png)
/Sony%20US18650VC3%201900mAh%20(Green)-Temp-20.0.png)
/Sony%20US18650VC3%201900mAh%20(Green)-Temp-30.0.png)
/Sony%20US18650VC3%201900mAh%20(Green)-CapacityTimeHours.png)
/Sony%20US18650VC3%201900mAh%20(Green)-CapacityTime.png)
/Sony%20US18650VC3%201900mAh%20(Green)-Energy.png)
/Sony%20US18650VC3%201900mAh%20(Green)-PowerLoadTime.png)
/Sony%20US18650VC3%201900mAh%20(Green)-TripCurrent.png)
/Sony%20US18650VC3%201900mAh%20(Green)-Charge.png)
Conclusion
The battery may be an old generation with lower capacity, but the high current performance is good.
Notes and links
Vapcell told me that I was missing some cells in my comparator and they would be happy to supply them.
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