AUTOMATED STORAGE AND RETRIEVAL SYSTEM USING AN AUTOMATED LOADER AND METHODS OF REPLACING POWER SUPPLIES

An automated storage and retrieval system includes at least one container handling vehicle, a horizontal rail system for the container handling vehicle to run on, and a charging station for recharging a replaceable power source of the container handling vehicle. The container handling vehicle includes a power supply compartment for accommodating a replaceable power supply when the container handling vehicle is in use. The charging station includes one or more charging racks. Each charging rack provides a column of charging positions for recharging replaceable power supplies and each charging position is configured to accommodate a replaceable power supply during a recharging process. The charging station includes an automated loader including a power supply support. The automated loader is arranged to move vertically and horizontally for exchanging and transporting a replaceable power supply between the charging rack and the power supply compartment of the container handling vehicle.