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Discharge tests and capacity measurement of 9 volt transistor radio batteries at high current, 100mA to 500mA engineering data
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
![I have a 9V battery, but I only need to output 4.5V from it. How do I accomplish this? - Electrical Engineering Stack Exchange I have a 9V battery, but I only need to output 4.5V from it. How do I accomplish this? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/PrLBC.png)
I have a 9V battery, but I only need to output 4.5V from it. How do I accomplish this? - Electrical Engineering Stack Exchange
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