Abstract: A vacuum cleaner system having a vacuum cleaner with a first housing, an air inlet, an air outlet, a motor fan unit for creating an airflow from the air Inlet to the air outlet, a battery for powering the motor fan unit, and a first unit for charging the battery, and a charger having a second housing with a second unit for changing the battery. The first unit is connected to the battery and the second unit is adapted to he connected to an external power source, and the first unit and the second unit are adapted for wireless power transfer from the second unit to the first unit.