Samsung 30T 21700 3000mAh 35A Rechargeable Battery

Official specifications:

Standard discharge capacity: min. 3000mAh (1.5A charge 0.1A cut-off, 0.6A discharge, 2.5V cut-off)

Rated discharge capacity: min. 2650mAh (4A charge 0.1A cut-off, 10A discharge, 2.5V cut-off)

Nominal voltage: 3.6V

Charge voltage: 4.2V

Standard charge: 1.5A charge 0.1A cut-off

Rated charge: 4A charge 0.1A cut-off

Max. continuoys discharge: 35A at 25°C

Discharge cut-off voltage: 2.5V

Cycle life: 250 cycles to 60% at 35A discharge.

Cell weight: 69.0g max

Cell dimension: Height: Max: 70.40mm, Diamter: max. 21.22mm

Operating temperature (surface): Charge 0°C ~ 50°C (Recommended <45°C), Discharge -20C° ~ 80°C (Recommended <60°C)

Storage temperature: 1 month: -20°C ~ 60°C, 3 months: -20°C ~ 45°C, 1 year: -20°C ~ 25°C