Single battery voltage: 3.7V Nominal voltage after the battery pack is assembled: 7.4V Single battery capacity: 750mAh Battery combination: 2 strings and 1 parallel Battery voltage range after combination: 5.0V~8.4V Battery capacity after combination: 750mAh Battery pack power: 5.55W Battery pack size:8*34.5*53mm Maximum discharge current: <0.75A Instantaneous discharge current: 1.5A~2.25A Maximum charging current: 0.2-0.5C Charge and discharge times: >500 times 7.4V polymer lithium battery： ①Comply with relevant national standards and requirements for batteries ②All finished battery products have been calibrated and tested before leaving the factory. They can be used directly1.Telecommunications: walkie-talkie, cordless phone,interphone,ect 2.Power tools: electric drills, screwdriver and electric saw and so on; 3.Power toys: electric auto, electric plans ; 4.Video cassette recorder ; 5.Emergency lightings; 6.Electronic toothbrush; 7.Light Therapy; 8.Vacuum cleaner; 9.Other equipment with high power discharge.1.Long operation life: Cycle life is up to 1000 times in normal conditions; 2.Low self discharge: 80% capacity retention after 1year; 3.Strong emergency adaptability: It can charge quickly in 1~6h in emergency conditions; 4.Wide operation temperature range: It can be operated in the environment of -20~+60 centigrade; 5.Good safety and reliability: Each battery has a safety valve, so it can have high safety and reliability during long-period operation process or in major failures; 6.Pollution-free and no memory effect; 7.Different configuration could be met.