Provided is a vacuum cleaner. The vacuum cleaner includes a cleaner body including a suction motor for generating a suction force, a suction part communicating with the cleaner body to suction air and dusts, a battery disposed in the cleaner body or suction part to supply a power to the suction motor, and a cleaner connector disposed on the cleaner body or the suction part, a charger including a charger connector separably connected to the cleaner connector to charge the battery, and a disconnection member disposed on the cleaner body or the suction part to selectively connect or disconnect the cleaner connector to or from the battery.