An object is to provide a charging system in which a battery can be charged in a fully charged state or close to the fully charged state while preventing performance deterioration of a battery due to heat generated during charge. A charging system 1 for a ...

An electric device (1) in which a driver (4) drives an electric motor (5) by use of electric power supplied from a power supply (2) having a rechargeable secondary battery, and a controller (3) monitors, manages, and controls the driver and the whole devic...

An electric vehicle (1) comprises a rechargeable secondary battery (30), an electric motor (9) for driving a running section such as wheels, and a controller (5) for conducting control to drive the electric motor (9) by use of the power from the secondary ...

An electric vehicle (1) including a rechargeable secondary battery (30), an electric motor (9) for driving a running section such as wheels and the like and a controller (5) for conducting control to drive the electric motor by electric power from the seco...

An electric device comprises a plurality of detachable battery units (2, 3, 4), each consisting of a set of storage battery packs (2B, 3B, 4B) and memories (11, 12, 13) storing information about the charge and discharge states of the battery packs. Connect...