Vapcell INR10440 320mAh (Green)
![DSC_7974](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/DSC_7974.jpg)
Official specifications:
- Model:INR10440 320mah 3A
- Size: 10.1*43.0mm
- Nominal voltage: 3.60V
- End-of-charge voltage: 4.20V
- End-of-discharge Voltage: 2.5V
- Typical Capacity: 320mAh (0.2C discharge)
- Min capacity: 290mAh (0.2C discharge)
- Weight: Max:10g
- Internal resistance: Max:60mOhm AC 1kHz
- Standard Charge: 250mA,CCCV 50mA cut-off
- Quick Charge Current:500mA
- Max Continuous Discharge Current: 3A
![Vapcell%20INR10440%20320mAh%20(Green)-info](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-info.png)
This LiIon size is similar to AAA cells, but with up to 4.2V
![DSC_7980](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/DSC_7980.jpg)
![DSC_7976](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/DSC_7976.jpg)
![DSC_7977](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/DSC_7977.jpg)
![DSC_7978](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/DSC_7978.jpg)
![DSC_7979](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/DSC_7979.jpg)
![Vapcell%20INR10440%20320mAh%20(Green)-Capacity](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-Capacity.png)
The discharge curves for the two cells are fairly similar and the cells can handle up to 3A, this means more than 9 watt of power from this small cell!
![Vapcell%20INR10440%20320mAh%20(Green)-Temp-3.0](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-Temp-3.0.png)
![Vapcell%20INR10440%20320mAh%20(Green)-Temp-5.0](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-Temp-5.0.png)
![Vapcell%20INR10440%20320mAh%20(Green)-CapacityTimeHours](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-CapacityTimeHours.png)
![Vapcell%20INR10440%20320mAh%20(Green)-CapacityTime](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-CapacityTime.png)
The 9 watt is only for 5 minutes!
![Vapcell%20INR10440%20320mAh%20(Green)-Energy](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-Energy.png)
![Vapcell%20INR10440%20320mAh%20(Green)-PowerLoadTime](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-PowerLoadTime.png)
![Vapcell%20INR10440%20320mAh%20(Green)-TripCurrent](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-TripCurrent.png)
![Vapcell%20INR10440%20320mAh%20(Green)-Charge](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20(Green)/Vapcell%20INR10440%20320mAh%20(Green)-Charge.png)
![Vapcell%20INR10440%20320mAh%20%28Green%29-Pulse-0.5A-10-10-2.8V-IR](https://lygte-info.dk/pic/Batteries2012Small/Vapcell%20INR10440%20320mAh%20%28Green%29/Vapcell%20INR10440%20320mAh%20%28Green%29-Pulse-0.5A-10-10-2.8V-IR.png)
Here I am pulsing 0.5A on and off to measure internal resistance during discharge.
Conclusion
There are not many 10440 LiIon cells on the market, this is a good and rather high power one.
Notes and links
The batteries was supplied by Vapcell 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
Graphical comparison to other LiIon batteries
Table with all tested LiIon batteries