Can I make 12v DC to 9v power supply without doing soldering stuff, like take out from a car adapter or any adapter that provides 9v output? - Quora
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Universal DC/DC Power Adapter | Car Adapter | 24 W | Input voltage: 12 V DC / 24 V DC | 1.5 / 3 / 4.5 / 6 / 7.5 / 9 / 12 V DC | Maximum output current per port: 2.0 A | Black
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