【Parameter 】This ebike battery is 48V 20AH, suitable for 1500W/1000W/750W/500W motor（50W-1500W） motor. 【 Key Features】The electric bike battery with battery base that will fit for most bike frame. //Lock with keys securely locks the mount on bike frame, prevents the battery from being stolen.// Lighted battery LED power Indicator, inform you charge your battery on time.// Each pack have ran through a full charge and discharge test in produce, make sure you getting every amp hour you paid for. Every Battery Made Cycle Test: Each pack is ran through a full charge and discharge before leaving our facility to make sure you are getting every amp hour you paid for.The test include: Short Circuit Safety Test √ Overcharge Safety Test √ Crush Safety Test √ Needing Safety Test √ Extrusion Safety Test √ Best Oversea After-sale Support: We do all this and offer it at our usual low pricing, we don’t charge a premium for Safety and Reliability. We have a proven track record of offering great after-sales support. We will not leave you stuck Rad Power 48V Ebike Battery for Rad Runner/Rad City Replacement - Lithium Ion Battery for 500W 750W 1500W Bafang and Other Ebike Conversion Kit(fit Rad Power/Runner/City)