BATTERY PACK, WIRELESS POWER TRANSMISSION SYSTEM AND HEARING AID
To provide a battery pack, wireless power transmission system and hearing aid, capable of ensuring stable charging and discharging of a secondary cell while achieving high connection reliability.SOLUTION: A battery pack 1 includes: a secondary cell 2 having a positive electrode surface 13 and a nega...
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Format: | Patent |
Sprache: | eng ; jpn |
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