BATTERY PACK, DEVICE AND METHOD FOR BATTERY PACK CAPACITY TESTING

摘要

PROBLEM TO BE SOLVED: To provide a battery pack, battery pack capacity testing device and a battery pack capacity testing method in which a capacity of a single battery and its lifetime can be detected readily and accurately with small discharge current. SOLUTION: A single battery unit 22 consists of a main battery 22a and a pilot battery 22b is incorporated into a battery pack 20 as a single battery. The pilot battery 22b of the one whose capacity is smaller is fully discharged to find the present capacity Cpo of the pilot battery 22b. COPYRIGHT: (C)2004,JPO&NCIPI