Patent attributes
A surface cleaning apparatus comprises a base, a portable cleaning unit removably mounted to the base and comprising at least one air treatment member, a portable cleaning unit energy storage member and a portable cleaning unit suction motor. The portable cleaning unit suction motor is operable on power provided by the portable cleaning unit energy storage member when the portable cleaning unit is removed from the base. The surface cleaning apparatus comprises or is connectable to a power cord. When the portable cleaning unit is mounted to the base and when the surface cleaning apparatus is connected to an external source of power by the power cord, the portable cleaning unit energy storage member is chargeable on power provided by the power cord provided by the external source of power and the portable cleaning unit suction motor is concurrently operable on power provided by the power cord provided by the external source of power.