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21700 Battery 3750 mah 40 amp

by iJoy




Ijoy 21700 Battery 3750 mah 40 amp




  • 21700 size battery
  • Type: Li-Ni (High Drain)
  • Rated capacity: 3750mAh
  • Min capacity: 3700mAh
  • Voltage: 3.7V
  • Peak Voltage: 4.2V
  • Cut-off Voltage: 2.5V
  • Rechargeable: Yes
  • Max continuous discharging current: 40A
  • Max charge voltage: 4.23V
  • Style: flat top
  • Monthly self-discharge rate: less or equal 0.5%
  • Temperature range: Discharge: -20~60'C; Charge: 0~45'C

Please note


It is advised that you charge high drain batteries such as this in a good quality external charger and not in the device. This way is safer and will greatly improve the batteries performance. 

Keep in perfect condition if your batteries have tears in the wraps please do not use them. Buy a new set or rewrap them. It is not worth the risk 

Do not carry batteries lose in your pocket. Especially if you have metal objects ie keys or loose change in them 




Link to Dedicated External Battery Chargers


Tags: iJoy, 21700, Battery