Abstract: An electric wheelchair includes a pair of car body support posts, each having an elbow support post, a front support post and a bottom support post. The car body support posts are formed in a U-shape with the open part directed backward, and with the elbow support post and the bottom support post arranged in parallel with one another. A bottom plate firmly connects the car body support posts side-by-side. At least one back support post is provided which can be connected to the elbow support posts at the free end thereof and can be removed therefrom. A detachable seat is supported by the car body support posts. An electric driving unit includes at least one outer box, a battery, two motors and a control box, and is provided at a front portion of the bottom support posts. A pair of electric drive front wheels are provided, each directly connected to the motors, one to the right motor and the other to the left motor, and a pair of rear wheels support the rear of the wheelchair.