![batteries - Function to describe alkaline battery voltage under constant current / load - Electrical Engineering Stack Exchange batteries - Function to describe alkaline battery voltage under constant current / load - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/fbmy7.png)
batteries - Function to describe alkaline battery voltage under constant current / load - Electrical Engineering Stack Exchange
![Typical discharge curves and available energy for alkaline AAA batteries 3 | Download Scientific Diagram Typical discharge curves and available energy for alkaline AAA batteries 3 | Download Scientific Diagram](https://www.researchgate.net/publication/221926555/figure/fig3/AS:305214067363844@1449780112666/Typical-discharge-curves-and-available-energy-for-alkaline-AAA-batteries-3.png)
Typical discharge curves and available energy for alkaline AAA batteries 3 | Download Scientific Diagram
At what voltage depletion level do originally 1.5V alkaline batteries become pretty useless? Is it 1.2V, 1.25V or maybe 1.10V? In other words what would be your threshold for still holding on
![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)
Calculate battery percentage of alkaline batteries using the voltage - Project Guidance - Arduino Forum
![Discharge curve of a Duracell alkaline AA cell (50 mA constant current)... | Download Scientific Diagram Discharge curve of a Duracell alkaline AA cell (50 mA constant current)... | Download Scientific Diagram](https://www.researchgate.net/publication/258645674/figure/fig1/AS:393473212600323@1470822732399/Discharge-curve-of-a-Duracell-alkaline-AA-cell-50-mA-constant-current-from.png)
Discharge curve of a Duracell alkaline AA cell (50 mA constant current)... | Download Scientific Diagram
![This is a voltage (V) versus Time (s) graph of a standard 9 V alkaline... | Download Scientific Diagram This is a voltage (V) versus Time (s) graph of a standard 9 V alkaline... | Download Scientific Diagram](https://www.researchgate.net/publication/40451224/figure/fig2/AS:601700301807631@1520467939690/This-is-a-voltage-V-versus-Time-s-graph-of-a-standard-9-V-alkaline-battery.png)