Lithium Battery for mp3 or mp4

lithium battery/RC battery/high rate li-polymer battery Nominal voltage: 3.7V Capacity: 50mAhFast charge in 6 10minutesHigh discharge rate, by 10C 100% SOC charge and 20C 100% DODdischarge,200cycles, capacity≥80% initial capacity.Discharge platform voltage over 3.4VMaximum charging current: 10C mA Maximum discharging current: 20C mA Discharging end voltage: 3.0V Charging temperature: 0 to 45 degrees Celsius Discharging temperature: -20 to 60 degrees Celsius Storage temperature: -20 to 45 degrees Celsius Dimension: 5.0*14*17mm