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Efest 21700 4000mAh 30A Rechargeable Battery
This IMR battery by eFest is a 21700 4000mah battery. It is rechargeable and has a flat top, both of which make it extremely versatile. These batteries work well with a multitude of vaping devices and box mods. They have a nominal voltage of 3.7V and a maximum charging current of 2.5V. This makes these batteries long lasting. Its discharge current is 30A and it has a temperature range of 0-103F degrees.
Specifications:
- Model: IMR
- Size: 21700
- Nominal Capacity:4000mah
- Nominal Voltage: 3.7V
- Maximum Charging Current: 2.5V
- Discharge Current: 30A
- Style: Flat Top
- Standard Charge: 2A
- Charging Temperature Range: 0-103F degrees
Note:: Never leave your battery unattended while charging.
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