The 48V Lithium Ion Ebike Battery by Hailong is a high-quality electric bike battery designed for optimal performance. With a capacity of 13Ah and a voltage of 48V, it is compatible with electric bikes operating on 200W to 1000W motors. The battery is lightweight and compact, making it easy to install on the down tube of the bike frame. It comes with a charger included and has a long cycle life of over 1000 hours of use at 80% capacity. The battery is certified for safety and reliability by various organizations such as CE, RoHS, SGS, UN38.3, and UL.