Efest 30A (3700mah) 21700 Battery


We currently have 2 in stock.

For use with 21700 battery devices only. Efest 21700 3.7V 3700mAh rechargeable battery cells are made for normal discharge current (max. 30A) usage.

  • Model: IMR 21700 V1
  • Rated Capacity: 3700mah
  • Nominal Voltage: 3.7V
  • Voltage at end of discharge: 2.5V
  • Max Charging Current: 4A
  • Standard Charge: 2A
  • Discharging Current: 30A
  • Inner Resistance: 20milliohms
  • Cell Size: 21mm x 700mm