At what voltage is an AA battery considered dead? It can't be 0 because nothing completely drains a battery and you can't say it depends because I need a number. It's for
![batteries - How much energy is stored in a AA battery when its voltage has dropped to 1.2V? - Electrical Engineering Stack Exchange batteries - How much energy is stored in a AA battery when its voltage has dropped to 1.2V? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/0cr7H.png)
batteries - How much energy is stored in a AA battery when its voltage has dropped to 1.2V? - Electrical Engineering Stack Exchange
![Calculate battery percentage of alkaline batteries using the voltage - Project Guidance - Arduino Forum Calculate battery percentage of alkaline batteries using the voltage - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/4/f/b/4fb4c2ea2089fcb813319675818c533aaa540806.png)