Efest 30A (3700mah) 21700 Battery


We currently have 28 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