- Manufacturer: Fogstar
- Model: FS4000
- Size: 21700
- Capacity: 4000mAh
- Maximum Discharge: 40A
- Nominal Voltage: 3.6V
- Maximum Voltage: 4.2V
- Top: Flat-Top
- Protection: None
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WARNING
Lithium-Ion batteries should never be kept loose in your pocket or bag. Always use the case provided.
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