Battery preserving device and battery pack comprising such a device

摘要

The invention relates to a battery preserving device, particularly in connection with a battery pack (1) to be used with a portable apparatus (4). The battery preserving device provides an electronic function (5) to switch off all current consumption from the battery cell (3), especially from a safety circuit (2), when the battery pack is stored or not used in the apparatus. The invention also relates to apparatus to be powered by or connected to such a device and battery pack comprising such a device. Preferably, the function is added to the existing safety switch using the transistor switches (6B, 6C) thereof.