Combination battery charging system for portable electronic equipment has a high capacity rechargeable battery powered charger coupled to a host system.

摘要

The battery (21) of an item of electrical equipment, e.g. a personal organizer, PDA, (2) is recharged by connection to a charging unit (11). This has a high capacity rechargeable battery with long life that is connected to a computer system (3) to receive power. The connection is made using a USB, IEEE1394 or PS2 connection (31,32).