This comes directly from Jetson and is brand new. Jetson made this battery for huanxi The product is a set of 36V 5.2Ah foldable built-in rechargeable batteries designed for the Huanxi HX X7 scooter. These batteries are of the Li-Ion chemical composition and have a voltage of 36V. The battery size is 480*50mm and it is suitable for high and low drain devices. The brand behind the batteries is Jetson, known for its quality and reliability. This product offers a convenient and powerful power solution for the scooter, providing extended usage time and convenience for riders.