BATTERY PACK, BATTERY CHARGER AND ELECTRONIC EQUIPMENT USING BATTERY PACK

摘要

There are provided plural kinds of battery packs (10) having an optional number of battery cells (11), a battery charger (30) capable of charging the battery packs (10) and an electronic equipment capable of using the battery packs (10). In a battery pack (10) having the optional number of cells (11) built therein, a terminal is provided in the same position as a terminal position in one cell pack. A charger (30) and an electronic equipment using a pack have a pack fixing plane capable of fixing a pack (10) having at least two cells (11) built in parallel, and comprise engaging means (31, 32, 34, 35) for engaging at least one cell pack (10) with the battery pack fixing plane and connecting means (38, 39) connected to positive electrode and negative electrode terminals of the one cell pack (10) and disposed at such a position that charging or discharging can be performed. Accordingly, packs having various shapes can be used.