Genuine Samsung 40T 21700 4000mAh 30A Rechargeable Battery.



  • Rated discharge capacity: 3900mAh
  • Standard discharge capacity: 4000mAh
  • Nominal voltage: 3.6V
  • Standard charge: CCCV, 2A, 4.20V, 200mA cut-off
  • Rated charge: CCCV, 6A, 4.20V, 100mA cut-off
  • Max. continuous discharge: 35A with temperature cut.
  • Max. continuous discharge: 45A with 80°C temperature cut.
  • Discharge cut-off voltage: 2.5V
  • Cycle life: 250 cycles to 60% at 6A charge and 35A discharge.

Samsung 40T 21700