| 摘要 |
PROBLEM TO BE SOLVED: To allow a plurality of battery packs simultaneously attached to a battery charger for replacement to be used at the same frequency (charged the same number of times). SOLUTION: A battery charger 100 has a plurality of charging sockets 111-115. When a plurality of battery packs 200 inserted to the charging sockets 111-115 are completely charged, only the first charged battery pack is displayed as a charged (available) battery pack on a charging display LED part 140. COPYRIGHT: (C)2011,JPO&INPIT
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