Description:

• lithium polymer battery
• campacity:550mah
• Nominal voltage: 3.7V
• Cycle life: 500 times
• Charging voltage: 4.2V
• Maximum charging current: 1C mA
• Maximum discharging current: 2C mA
• Discharging end voltage: 2.75V
• Charging temperature: 0 to 45 degrees Celsius
• Discharging temperature: -20 to 60 degrees Celsius
• Storage temperature: -20 to 45 degrees Celsius
• certification:CE,UL,ROHS
• safety: with a PCB board protected it from over charging,discharging,short circuit
• no pollution to the enviroment,not contain cadmium,lead,mercury

        capacity and size can be design accordding to customer requirement.