ICS 303040
★    Specifications: 
    ＊    Charge voltage: 4.2V
    ＊    Overcharge protection voltage: 4.3V
    ＊    Nominal voltage: 3.7V
    ＊    Minimal capacity (0.5C): 320mAh at 0.5C discharge
    ＊    Nominal capacity: 320mAh at 0.5C discharge
    ＊    Charge current: standard charge at 0.5C and rapid charge at 1.0 C
    ＊    Standard charging method: 0.5C (constant current) charge to 4.2V, then CV (constant voltage 4.2V) charge till charge current decline to ≤0.05C
    ＊    Charging time: standard charge needs 3.0 hours and rapid charge needs 2 hours
    ＊    Charging current: 1C (maximum)
    ＊    Discharge current: 2C (maximum)
    ＊    Discharge cut-off voltage: 3.0V
    ＊    Operating temperature: 
        —    Charging: 0 to 45℃
        —    Discharging: -10 to 45℃
        —    Storage temperature: -10 to +45℃
    ＊    Cell weight: 7.1g
    ＊    Cell dimensions: 
        —    Length: 40mm (not including tabs)
        —    Width: 30mm
        —    Thickness: 3.0mm