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| - charging apparatusUS5592064 *Nov 22, 1993Jan 7, 1997Sanyo Electric Co., Ltd.Battery charging apparatus, power supply, and attachment for connecting different types of battery packs to a battery chargerUS5594314 *Feb 25, 1994Jan 14, 1997Nikon CorporationSecondary battery discharge adaptorUS5604416 *Nov 30, 1994Feb 18, 1997Samsung Electronics Co., Ltd.Battery discharge circuit which protects against
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