Samsung 20S 18650 2000mAh 30A Rechargeable Battery

Official specifications:

Standard discharge capacity: 2000mAh (Charge 1A, discharge 0.4A)

Rated discharge capacity: 1950mAh (Charge 4A, discharge 10A)

Nominal voltage: 3.6V

Standard charge: CCCV, 1A, 4.2V, 100mA cut-off

Rated charge: CCCV, 4A, 4.2V, 100mA cut-off

Maximum continuous discharge: 30A

Discharge cut-off voltage: 2.5V

Cell weight maximum: 48g

Cycle life: 250 cycle to 60% at 30A discharge

Operating Temperature: Charging: 0°C ~ 50°C, Discharging: -20°C ~ 80°C

Storage Temperature: 1 month: -30°C ~ 60°C, 3 month: -30°C ~ 45°C, 1.5 year: -30°C ~ 25°C