Battery Model:755060 Voltage:3.7V Capacity:3000mAh Dimension:7.5*50*60mm Charging current:1.4A Charging voltage:4.2V Discharge rate:1C Weight:45g Charging time:3 hours Fit for : Cooling fans,LED lights, Bluetooth headsets, Bluetooth speakers, beauty instruments, smart locks, children’s toys, medical equipment, etc.