![Battery Storage Tip: Don't Let 9-Volt Batteries Touch... Could Start A Fire! | The DIY Household Tips Guide Battery Storage Tip: Don't Let 9-Volt Batteries Touch... Could Start A Fire! | The DIY Household Tips Guide](https://household-tips.thefuntimesguide.com/files/9-volt-batteries-start-fire.jpg)
Battery Storage Tip: Don't Let 9-Volt Batteries Touch... Could Start A Fire! | The DIY Household Tips Guide
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
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