Geteed 21700 4800mAh (Yellow)
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Official specifications:
- Battery: 21700
- Battery Type: Lithium-ion
- Head Type: Flat Top
- Protected: No
- Practical Capacity (mAh): 4800mAh
- Voltage(V): 3.7V
- Charge Current: 1A
- Max. Discharge Current: 35A
- Charging Time.: standard charge: 5h rapid charge: 2.5h
This is a unknown brand with a high capacity 21700 cell.
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/Geteed%2021700%204800mAh%20(Yellow)-Capacity.png)
The discharge curves looks very good up to 10A, at higher current the cell gets too warm.
/Geteed%2021700%204800mAh%20(Yellow)-Temp-10.0.png)
/Geteed%2021700%204800mAh%20(Yellow)-Temp-15.0.png)
/Geteed%2021700%204800mAh%20(Yellow)-Temp-20.0.png)
/Geteed%2021700%204800mAh%20(Yellow)-CapacityTimeHours.png)
/Geteed%2021700%204800mAh%20(Yellow)-CapacityTime.png)
/Geteed%2021700%204800mAh%20(Yellow)-Energy.png)
/Geteed%2021700%204800mAh%20(Yellow)-PowerLoadTime.png)
/Geteed%2021700%204800mAh%20(Yellow)-TripCurrent.png)
/Geteed%2021700%204800mAh%20(Yellow)-Charge.png)
Conclusion
This is a good quality cell with a lot of capacity, but it is not a high current cell.
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