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HQRP 9V Battery Snap Connector and AC Adapter for 9-Volt / Radio / Square / 6LR61 / 7.2H5 / 6KR61 / 6HR61 / PP3 / MN1604 Clip Holder Cable Power Supply Cord + Euro Plug Adapter - Walmart.com
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File:Vintage Transistor Radio 9 Volt Batteries - KIB (Hong Kong), Golden (Japan), Raleigh (Japan), Wireless (Japan), Flying Bomb (Hong Kong) (16040175224).jpg - Wikimedia Commons
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