Samsung 30Q 18650 3000mAh 15A rechargeable battery

Official specifications:

Initial IR (1kHz): <18mOhm

Initial IR (DC): <30mOhm

Charge method: CC-CV (4.2V+/-0.05V, 100mA cut-off)

Standard charge current: 1.5A

Fast charge current: 4A

End voltage: 2.5V

Max. continuous current: 15A

Rated discharge capacity (0.2C): 3000mAh

Rated discharge capacity (10A): 2700mAh

Cycle life: 300 cycles to 70% (4A charge and 15A discharge)

Cycle life: 250 cycles to 70% (4A charge and 22A discharge, pause at 70°C, resume at 50°C)