Vappower IMR18650 2500mAh (Green)
/DSC_0129.jpg)
Official specifications:
- Battery Capacity (Mfg Rated): 2500 mAh
- Battery Chemistry: Li-Ion
- Battery Maximum Voltage: 4.25 V
- Battery Minimum Voltage: 2.5 V
- Battery Rated Voltage: 3.6 V
/Vappower%20IMR18650%202500mAh%20(Green)-info.png)
A very high current 18650 according to the rating (35A continuous, 50A puls).
/DSC_0127.jpg)
/DSC_0128.jpg)
/DSC_0130.jpg)
/DSC_0131.jpg)
/DSC_0132.jpg)
/DSC_0133.jpg)
/DSC_0134.jpg)
/Vappower%20IMR18650%202500mAh%20(Green)-Capacity.png)
The 35A rating is optimistic, but it can do 20A. I would have like a bit better tracking at high current.
/Vappower%20IMR18650%202500mAh%20(Green)-CapacityTimeHours.png)
/Vappower%20IMR18650%202500mAh%20(Green)-CapacityTime.png)
/Vappower%20IMR18650%202500mAh%20(Green)-Energy.png)
/Vappower%20IMR18650%202500mAh%20(Green)-PowerLoadTime.png)
/Vappower%20IMR18650%202500mAh%20(Green)-TripCurrent.png)
/Vappower%20IMR18650%202500mAh%20(Green)-Charge.png)
Conclusion
The battery is acceptable for a high current cell, but as is often the case the specifications are too optimistic.
Notes and links
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