Polymer battery technical parameters (specifically can be designed according to customer requirements-voltage/capacity/size/line) Single battery model: 602030 Single battery voltage: 3.7V Nominal voltage after the battery pack is assembled: 3.7V Single battery capacity: 300mAh Battery combination: 1 string and 1 parallel Battery voltage range after combination: 3.0V~4.2V Battery capacity after combination: 300mAh Battery pack power: 1.11W Battery pack size: 6*20.5*33mm Maximum discharge current: <0.3A Instantaneous discharge current: 0.6A~0.9A 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 directly Product properties: Type：rechargeable li-ion batteryBluetooth 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.High energy density and high voltage of 3.7V 2.Lighter and thinner, size could be flexible according to requirement 3.Extremely safe, low self-discharge and has long cycle life 4.Pollution-free, green product 5.Wide operation temperature: -20℃~60℃