![GOTOH BB-04W Double 9 volt Battery Compartment Box - Black - Philadelphia Luthier Tools & Supplies, LLC GOTOH BB-04W Double 9 volt Battery Compartment Box - Black - Philadelphia Luthier Tools & Supplies, LLC](https://cdn11.bigcommerce.com/s-1lthcj/images/stencil/1280x1280/products/1216/4685/59980c7a-678a-44a9-910f-b11c582fc438__47439.1442360427.jpg?c=2)
GOTOH BB-04W Double 9 volt Battery Compartment Box - Black - Philadelphia Luthier Tools & Supplies, LLC
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
![A: Two 9-volt batteries in series with ground chosen will have voltages... | Download Scientific Diagram A: Two 9-volt batteries in series with ground chosen will have voltages... | Download Scientific Diagram](https://www.researchgate.net/profile/Sarosh-Patel/publication/259240204/figure/fig3/AS:667689894830098@1536201084632/A-Two-9-volt-batteries-in-series-with-ground-chosen-will-have-voltages-9-and-18.png)