Official specifications:

Nominal capacity: 2600mAh

Rated capacity: 2500mAh

Maximum continuous discharge current: 35A with 80° cut-off

Nominal voltage: 3.6V

Internal impedance: 13.0mOhm typical at 1kHz

Cycle performance: 300 cycles to 70% with 10A discharges.

Standard charge current: 2.5A

Maximum charge current: 6A

Charge voltage: 4.2V +/-0.05V