Battery model: 126090 Nominal voltage: 3.8V Design capacity: 8000MAH Charging current: standard charging: 0.2C; fast charging: 0.5C Standard charging method: 0.2C CC (constant current) charging to 4.20V Maximum charging current: 0.5C Continuous discharge current: 0.5C Maximum discharge current: 1C Discharge cut-off voltage: 2.75V ± 0.05V Working temperature: -10 °C ~ +45 °C Storage temperature: -20 ° C ~ +45 ° C Charging time: 4hrs (standard); 2hrs (fast) Charge and discharge times: more than 500 times Dimensions(L*W*H): About 90x60x12mm