PORTABLE TELEPHONE BATTERY PACK AND PORTABLE TELEPHONE EQUIPPED WITH THE BATTERY PACK

摘要

The present invention relates to a battery pack (1) for a personal digital assistance such as a mobile telephone, and to a personal digital assistance such as a mobile telephone on which the battery pack (1) is mounted. The present invention incorporates non-telephone functions, for instance, data storing, and audio information reproduction, makes available at least of which even with the battery pack (1) is not connected to the personal digital assistance body, and forms a simple pack (47) by wrapping a storage cell (10) and the protection circuit (11) for the storage cell (10) with an insulation material to form the battery pack (1) by overlaying the simple pack (47) with the upper lid (40).