Use The Efficiency Mode In Microsoft Edge To Extend Battery Life
Microsoft Edge comes with a feature called Efficiency Mode. This is particularly useful for laptops when on battery. When this mode is enabled, Edge will automatically put background tabs to sleep after 5 mins of inactivity, and conserve CPU and memory usage.
Here is how to enable it:
Open Edge, and in the address bar, type in:
edge://settings
Choose System and performance.
From the Optimize Performance...