Trick 3: Battery Protection / Protect Battery
This is the most important one for long-term battery health.
Many recent phones include an option to limit charging to 80 percent by default. This is because charging all the way to 100 percent frequently can reduce the lifespan of your battery if you plan to keep your phone for more than two years.
MakeUseOf
Samsung: Settings > Battery > More Battery Settings > Protect Battery
Google Pixel: Settings > Battery > Charging Optimization
Cap your charge at 85 percent. Your battery will last years longer.