US Patent 7183744 Battery housing structure for portable devices

A battery housing structure for portable devices includes a battery chamber and a movable seat located in a portable device. The battery chamber has two housing compartments for holding batteries. The movable seat is slidable in the battery chamber and confined between a first position and a second position. The movable seat has a first connector and a second connector to be coupled with the batteries to form an electric connection to transmit battery electricity to the portable device.