The R TEAM Ebike Battery 48v 20AH is a high-quality battery designed to power any electric bike, designed with both power and convenience in mind. This battery features Samsung 50GB lithium-ion cells, providing exceptional energy density and a long lifespan. Weighing only 10.4lbs, it's easy to carry, making it perfect for both front and rear installation on Bafang, AW, or KT controllers, providing a 30A motor. The 3A charger ensures quick charging, and the built-in USB port is perfect for charging your phone or devices while you're out on your bike. With its impressive 20AH capacity, you'll enjoy a smooth and powerful ride with this R TEAM Ebike Battery 48v 20AH.