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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
Please read the user manual carefully before using this device.