Abstract: A demountable wheeled liquid sprayer comprised of an elongated handle having an angulated forward end portion supporting a battery driven electric motor with a depending drive shaft rotatably mounting a cup having inwardly and upwardly extending sidewalls with circumferentially spaced openings extending downwardly and outwardly therethrough around the periphery of its bottom. The handle is detachably mounted on a small two-wheeled frame and supports a removable and disposable liquid container which discharges its contents into the cup through conduit means and an associated valve. Valve control means is mounted on the handle and simultaneously opens the valve while activating the motor, or closes the valve while deactivating the motor. The handle and described sprayer may be detached, transported and used manually absent the wheeled frame.