How come the technology used for household batteries (AAA, AA, etc.) has been the same for decades while we've made so much progress in other areas? - Quora
![Chart showing the voltage during discharge of AA alkaline cells at 2 amps discharge current | Rechargeable batteries, Battery, Aa batteries Chart showing the voltage during discharge of AA alkaline cells at 2 amps discharge current | Rechargeable batteries, Battery, Aa batteries](https://i.pinimg.com/originals/96/d7/ea/96d7eadbbf530c0a1728cfb6d18eecd6.png)
Chart showing the voltage during discharge of AA alkaline cells at 2 amps discharge current | Rechargeable batteries, Battery, Aa batteries
![Why are alkaline batteries (AAA or AA) made to be 1.5V while rechargeables are 1.2V? | Electricity - Magnetism Why are alkaline batteries (AAA or AA) made to be 1.5V while rechargeables are 1.2V? | Electricity - Magnetism](https://www.electricity-magnetism.org/wp-content/uploads/2022/09/voltage-curve-alkaline-battery-vs-NIMH.png?ezimgfmt=rs:392x296/rscb5/ngcb5/notWebP)
Why are alkaline batteries (AAA or AA) made to be 1.5V while rechargeables are 1.2V? | Electricity - Magnetism
![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)
Calculate battery percentage of alkaline batteries using the voltage - Project Guidance - Arduino Forum
![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)