EFEST Vape Battery
- Brand: Efest
- Size: 18650/21700
- Chemistry: IMR
- Nominal Capacity: 3000mAh/4000mAh
- Nominal Voltage: 3.7V
- Discharge: 10A Continuous, Rated 20A Max Pulse by Efest
- Positive: Flat
- Rechargeable: Yes
- Dimensions: 18.25mm x 65.25mm
- Weight: 47g