Enerpower 18650 3.2V 1800mAh (Blue)
/DSC_3555.jpg)
Official specifications:
- Chemistry: LiFePO4
- Manufacturer: Heter
- UL: MH48108
- Nominal voltage: 3.2V
- Discharge cut-off: 2.5V
- End of charge voltage: 3.6V
- Maximum charge current: 1.8A
- Capacity: 1800mAh
- Continuous load (in amperes): 3C (approx. 5.4A)
- Internal resistance:<40m?
- Pulse Load: 10A / 10 seconds
- Weight: 42 grams
- Dimensions: 18.20 mm diameter / 65.20 mm length
- Protective circuit: NONE
- Lifetime: 1500 full cycles (100% DoD), 3000 full cycles (80% DoD), 6000 full cycles (60% DoD)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-info.png)
This is a LiFePO4 cell in 18650 format, this means lower capacity, lower voltage, flat discharge curve and long lifetime.
/DSC_3527.jpg)
/DSC_3557.jpg)
/DSC_3558.jpg)
/DSC_3559.jpg)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-Capacity.png)
The two cells are well matched, the maximum specified load is easily handled.
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-Temp-7.0.png)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-Temp-10.0.png)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-Temp-15.0.png)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-CapacityTimeHours.png)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-CapacityTime.png)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-Energy.png)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-PowerLoadTime.png)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-TripCurrent.png)
/Enerpower%2018650%203.2V%201800mAh%20(Blue)-Charge.png)
Conclusion
This is a good cell with high capacity for a LiFePO4 cell. The flat discharge curve can be very useful for some applications.
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