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I'm trying to get 12v from two 9v batteries. Using resistors, I managed to get the bottom battery to 3v but when I tried adding them, it resulted in 9v. What am
Testing Electrified Hardware with 9V Batteries – Locksmith Reference
Make 9v,18v,27v dc ........ (using 9V Battery) - YouTube
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9 Volt Batteries Contain 6 AAAA Batteries | Broken Secrets
How to Wire Batteries in Series (or in Parallel) : 5 Steps - Instructables
Arduino misconceptions 6: a 9V battery is a good power source
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If you have two 9 volt batteries and add them together, will that make 18 volts? - Quora
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Can I connect 9v batteries in series and parallel? - Quora
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voltage - Can you get 18V from two 9V batteries - Electrical Engineering Stack Exchange
How to convert two 9 volt batteries into 18 volts in series with or without wires in series - YouTube
