If an alkaline AA battery is rated at 2700 mAh when brand new, what is the capacity of the battery when the particular device (i.e. wall clock) drains it fully and stops
![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/b/a/5/ba5dfcfd78ba207a374a8b219a300ec7d41f287e.png)