Charge Voltage:25.2V Nominal Voltage:22.2V Nominal capacity:2600mAh Size:37*37*132mm Max Charge current:1C Max Discharge current:2C Discharge cut-ff voltage:16.5V Fit for:Fascia guns, massages, impact guns, mini massage guns, physical therapy instruments, Lighting fixtures, medical devices, electric tools, emergency power supply, home intelligence, instruments, etc  All the battery specifications can be customized according to your requirements.