A backup battery charger charges a backup battery of a handheld electronic device. The handheld electronic device comprises a power supply unit and an electronic component. The power supply unit supplies a power to the electronic component. The backup batt...

A system, a method, and a mobile terminal for sharing a battery between mobile terminals are disclosed, which can solve a problem that the battery can not be shared between mobile terminals in the prior art. In accordance with the present invention, a mobi...

It is an object of the invention to provide a technique for coping with the difference of self-discharge between battery groups that form a battery assembly. According to the invention, a battery assembly that includes a plurality of battery groups and fee...

The charger includes a controller, a battery power source having at least two power settings connected to the controller, a power supply connectable to an outside power source, the power supply receiving a current and voltage from the outside power source ...

Device (11) suitable for charging an electric energy storage means incorporated in a handheld apparatus, without it being necessary, for carrying out the charging operation, to electrically connect said device (11) suitable for charging to a source of elec...

A cordless operating earphone (SBH) can be positioned in a vehicle in a charging case (LAS). After switching off an associated mobile radio telephone/motorcar telephone system while the operating earphone is placed in the charging case, the earphone tests ...

A charging system for portable equipment is provided which may be used in a system including an information terminal (2) and portable equipment (1) connected to the information terminal. The charging system includes a power supply output device (320) provi...