Segway Ebike Xyber Battery offers 1440Wh. With two batteries on the bike, it provides an extra range of up to 112 miles. The IPX7 water-resistant batteries, controlled by the Smart Management System, have 6-layer safety protection for worry-free long-term charging. UL-certified, they meet or exceed high safety standards and perform reliably on each charge. Recharge with the 10A charger for a quicker thrill