Application: electric bicycle, electric scooter, electric skateboard, electric wheelchair.Specification:Rated voltage: 52VBattery capacity: 8 AhDimensions: 300 * 68 * 38 （mm）Total weight: approx. 5 kgInternal protection circuit: over charge, over discharge, over current, short circuit protectionBattery cells inside: top brand cells. Good quality!Lifecycles: more than 1000 timesApplications:electric vehicles, model airplanes, power tools, DIYGolf carts, touring coaches, electric motorcycles,electric bicycles, electric wheelchairs and others.The package includes ：1 * batteryNote:Due to the special feature of the product, it cannot be transported by air, but by sea. It should arrive in 25-35 days. Sorry for the inconvenience!