3310 8210 battery For nokia 3310 Voltage: 3.7v Type: li-polymer Capacity: 1650mah For nokia 8210 Type: li-polymer Capacity: 1200mah Voltage: 3.7v We can manufacture for your many li-polymer, li-ion nimh mobile batteries, digital camera battery , vedio camera batteries and so on, for more , please feel free to contact us. Export standard