Efest IMR 21700 4000 mAh flat top battery
Free UK delivery on all orders over £20
Same day despatch - order by 5pm
Next working day delivery available
Orders placed before 5pm Monday to Friday using the next working day delivery service are despatched same day (excluding bank holidays).
For standard delivery services we also despatch orders placed before 5pm on the same day weekdays excluding bank holidays.
Efest IMR 21700 4000 mAh 30A flat top battery.
- Style: flat top
- Model: IMR 21700
- Rate capacity: 4000 mAh
- Nominal voltage: 3.7 V
- Voltage at end of discharging: 2.5 V
- Max charging current: 4 A
- Standard charge: 2 A
- Dimensions: 21 mm x 70 mm
- Certifications: RoHS, CE, MSDS & UL
- Performance: Li-Mn rechargeable battery, perfect for vaping devices