If you are on Android and have root, you can install ACC (https://f-droid.org/en/packages/mattecarra.accapp/ https://f-droid.org/en/packages/mattecarra.accapp/)

If you are on Android and have root, you can install ACC (https://f-droid.org/en/packages/mattecarra.accapp/ https://f-droid.org/en/packages/mattecarra.accapp/). It lets you customise the charging profile of your phone as well as see battery statistics, but out of the box it 1. Caps charging to 80% 2. Pauses charging if it gets too hot, until it's below 40°C If you sporadically need full capacity (travelling, etc), just hit the "charge once to 100%" button and you're good to go.