XHData 18650 2500mAh (Cyan)
/DSC_5335.jpg)
Official specifications:
- Nominal Capacity: 2500mAh
- Min Capacity: 2100mAh
- Norminal Voltage: 3.7V
- Standard Charging Current: 0.5C
- Charge Ending Voltage: 4.2V
- Standard Discharging Current: 1C
- Max.Continuous Discharging: 10C
- Max.Short Time Discharging: 30A
- Discharge Ending Voltage: 2.75V
- Standard Charging Time: 5-6h
- Rapid Charging Time: 2.0-2.5h
- Impedance: <20mOhm
- Battery Weight: about 45g
- Operation Temperature: 20-60°C
/XHData%2018650%202500mAh%20(Cyan)-info.png)
Some batteries from Ebay rated for high current. The capacity specification has a rather wide range.
/DSC_5333.jpg)
/DSC_5337.jpg)
/DSC_5338.jpg)
/DSC_5339.jpg)
/DSC_5340.jpg)
/XHData%2018650%202500mAh%20(Cyan)-Capacity.png)
There is a small difference between the cells in capacity and they can only handle about 10A
/XHData%2018650%202500mAh%20(Cyan)-Temp-10.0.png)
/XHData%2018650%202500mAh%20(Cyan)-Temp-15.0.png)
/XHData%2018650%202500mAh%20(Cyan)-Temp-20.0.png)
/XHData%2018650%202500mAh%20(Cyan)-CapacityTimeHours.png)
/XHData%2018650%202500mAh%20(Cyan)-CapacityTime.png)
/XHData%2018650%202500mAh%20(Cyan)-Energy.png)
/XHData%2018650%202500mAh%20(Cyan)-PowerLoadTime.png)
/XHData%2018650%202500mAh%20(Cyan)-TripCurrent.png)
/XHData%2018650%202500mAh%20(Cyan)-Charge.png)
Conclusion
This battery is not very impressive in capacity and current handling, it works fine for a few amps, but the chemistry is not for high currents.
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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries