Packing contents 1 * Powered Wheelchair, 1 * 24V 20AH lithium-ion battery, 1 * charger, 1 * 360°Joystick, 1 * English Manual Maximum Moving Distance 25miles（difference depending on the load） Maximum Load 280lbs Net Weight 79lbs Joy stick it can change from the right to the left Backrest Ergonomically Curved Back Motor 500W = 2*250W Brushless Motors Battery capacity 20AH lithium batteries Maximum Climbing angle 12 degrees Front Wheel Solid Tires, Outside size of 8" Rear Wheel Pneumatic Tires, Outside size of 12" Overall Dimensions L:41" * W:26" * H:40" Folding Size L:26" * W:15" * H:31" Seat Size L:18" * W:19" * H:20"(From the Ground)