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Ijoy 21700 3750mah 40A High Drain


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Quick Overview

IJOY 21700 Battery, featuring a diameter of 21.4mm and a length of 70.2mm, has a 3750mAh large battery capacity with 40A max continuous discharging current. Long storage life, light weight and high energy density.


  • 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;
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