Single battery voltage: 3.7V Nominal voltage after the battery pack is assembled: 3.7V Single battery capacity: 600mAh Battery combination: 1 string and 1 parallel Battery voltage range after combination: 2.5V~4.2V Battery capacity after combination: 600mAh Battery pack power: 2.22W Battery pack size:5*30.5*43mm Maximum discharge current: <0.6A Instantaneous discharge current: 1A~2A Maximum charging current: 0.2-0.5C Charge and discharge times: >500 times 3.7V 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 directlyBluetooth headset, Portable speaker, Muti car jump starter, power bank, Auto cleaner, GPS tracking, Digital ADSL device, Flashligting, emergency lighting, laptop, solar board, ups power, smart phone, wireless microphone, MP3, Walk man, Cordless Phone, Notebook, Video Camera, Digital Camera, Digital Products, Portable DVD, Mobile Communication, Electronic Toys, Game Player, Solar LED light, Emergency lighting, Power tools, E-bike, Medical Equipment, etc.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.