Efest IMR18350 700mAh (Purple) 2014
![DSC_5295](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/DSC_5295.jpg)
Official specifications:
- Capacity: 700mAh
- Min. Capacity: 670mAh
- Nominal voltage: 3,7V
- Charge voltage: 4,2V ± 0,05
- Discharge voltage: 3,0V
- Max. discharge current: 11A (15C)
- Max. charge current: 0,7A (1C)
- Positive pole: Flat Top
- Protection circuit (BMS): no (unprotected)
- Chemical composition: LiMn (IMR)
- Diameter: 18,25mm ± 0,1
- Height: 34,75mm ± 0,1
- Weight: 22g ± 1
- Charging methode: CC-CV
![Efest%20IMR18350%20700mAh%20(Purple)%202014-info](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/Efest%20IMR18350%20700mAh%20(Purple)%202014-info.png)
Efest has made a range of very high current batteries (Purple), this is the 18350 sized one.
![DSC_5294](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/DSC_5294.jpg)
![DSC_5297](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/DSC_5297.jpg)
![DSC_5298](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/DSC_5298.jpg)
![DSC_5299](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/DSC_5299.jpg)
![Efest%20IMR18350%20700mAh%20(Purple)%202014-Capacity](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/Efest%20IMR18350%20700mAh%20(Purple)%202014-Capacity.png)
The cells has very good tracking between them and does also handle the load very nicely.
![Efest%20IMR18350%20700mAh%20(Purple)%202014-CapacityTimeHours](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/Efest%20IMR18350%20700mAh%20(Purple)%202014-CapacityTimeHours.png)
![Efest%20IMR18350%20700mAh%20(Purple)%202014-CapacityTime](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/Efest%20IMR18350%20700mAh%20(Purple)%202014-CapacityTime.png)
![Efest%20IMR18350%20700mAh%20(Purple)%202014-Energy](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/Efest%20IMR18350%20700mAh%20(Purple)%202014-Energy.png)
![Efest%20IMR18350%20700mAh%20(Purple)%202014-PowerLoadTime](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/Efest%20IMR18350%20700mAh%20(Purple)%202014-PowerLoadTime.png)
![Efest%20IMR18350%20700mAh%20(Purple)%202014-TripCurrent](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/Efest%20IMR18350%20700mAh%20(Purple)%202014-TripCurrent.png)
![Efest%20IMR18350%20700mAh%20(Purple)%202014-Charge](https://lygte-info.dk/pic/Batteries2012Small/Efest%20IMR18350%20700mAh%20(Purple)%202014/Efest%20IMR18350%20700mAh%20(Purple)%202014-Charge.png)
Conclusion
This cell has very impressive high current capability, but do not get it if you want a lot of capacity.
It looks like a good cell.
Notes and links
The batteries was supplied by Akkuteile.de 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
Comparison to other LiIon batteries