BattEnergy 18650 3100mAh (Blue)
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Official specifications:
- System: Li-Ion
- Voltage: 3.7 V
- Capacity: 3100 mAh
- Size: 69.5 mm x 18.5 mm Ø
- Weight: 48 g
- Protection: 7A
- Maximum discharge current: 2C
- Maximum charge current: 0.5 C
- Manufacturer: Panasonic
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The cell used can be discharged down to 2.5 volt, in my test I only discharges to 2.8 volt, i.e. I do not measure the full capacity. But then, not all lights will be able to use the full capacity.
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The 3100mAh batteries has a very good batch, as expected from Panasonic cells.
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Conclusion
A very good battery.
Notes and links
The batteries was supplied by Taschenlampen-Papst.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