TLife 18650A Protected 2200mAh (Green)
Button top and flat top protected TLife 2200mAh cells.
TLife 18650A BT Protected 2200mAh (Green)
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Official specifications:
- Model: 18650A
- Battery Type: Lithium-ion
- Rechargeable: Yes
- Protected: Yes
- Positive terminal style: Button-top
- Nominal voltage: 3.7V
- Discharge end voltage: 2.75V
- Charging voltage: 4.20 +/- 0.03 V
- Standard charging current: 1.625 A
- Nominal capacity: 2200mAh
- Rated capacity (minimum): 2100mAh
- Dimensions: (2.77 x 0.72)" / (7.04 x 1.84)cm (L x Dia.)
- Color: Green
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-info.png)
This is a low capacity, low current cell. Tmart has this cell in four configurations, this is the protected button top.
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The protection limits the current from this cell to less than 3A, the curves looks good enough.
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-Temp-2.0.png)
With this low current there are absolutely no temperature problems.
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-Temp-3.0.png)
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-CapacityTimeHours.png)
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-CapacityTime.png)
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-Energy.png)
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-PowerLoadTime.png)
Due to the low protection threshold the battery cannot drive a 10W light.
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-TripCurrent.png)
/TLife%2018650A%20BT%20Protected%202200mAh%20(Green)-Charge.png)
TLife 18650A FT Protected 2200mAh (Green)
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Official specifications:
- Model: 18650A
- Battery Type: Lithium-ion
- Rechargeable: Yes
- Protected: Yes
- Positive terminal style: flattop
- Nominal voltage: 3.7V
- Discharge end voltage: 2.75V
- Charging voltage: 4.20 +/- 0.03 V
- Standard charging current: 1.625 A
- Nominal capacity: 2200mAh
- Rated capacity (minimum): 2100mAh
- Dimensions: (2.73 x 0.72)" / (6.94 x 1.84)cm (L x Dia.)
- Color: Green
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-info.png)
This is a low capacity, low current cell. Tmart has this cell in four configurations, this is the protected flat top.
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Something is wrong here, a 2500mAh battery has sneaked into the 2200mAh collection of 2200mAh batteries. This makes me doubt the quality control.
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-Temp-2.0.png)
Both types of batteries handles stays cool.
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-Temp-3.0.png)
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-CapacityTimeHours.png)
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-CapacityTime.png)
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-Energy.png)
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-PowerLoadTime.png)
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-TripCurrent.png)
/TLife%2018650A%20FT%20Protected%202200mAh%20(Green)-Charge.png)
Conclusion
Due to the low protection threshold these cells are not for 1000 lumen flashlights, but only for equipment with a very moderate current consumption.
Generally these batteries has looked acceptable, but the 2500mAh cell is strange.
Notes and links
The batteries was supplied by TMart.com for a 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
Compare to 18650 and other batteries