Keep a fully charged spare battery on hand and swap it in less than a minute to continue the adventure with your Zero XB. The 2.4 kWh (74 V, 32 Ah) lithium-ion battery can be charged directly via the motor or removed for easy charging at any location. With the 800 W charger, it charges from 0 to 95% in just 2.5 hours via a standard 220 V outlet.