Manage background apps: 

Close or force stop apps running in the background that you don't need. Some apps continue to consume power even when not actively in use. 

Use Dark Mode

Many modern smartphones offer a dark mode option that uses less power, especially on OLED and AMOLED displays. Dark pixels consume less energy compared to bright ones. 

Use airplane mode in low signal areas: 

In areas with poor cellular reception, your phone will work harder to maintain a connection. Switching to airplane mode in such situations can save battery life. 

Disable unnecessary notifications:

Limit the number of notifications and disable them for apps that are not critical. Frequent app notifications can wake up your phone and consume battery unnecessarily. 

Reduce Screen brightness

Lower the screen brightness or enable adaptive brightness to automatically adjust the display according to the surrounding light. 

Turn off location services: 

GPS and location-based services can drain your battery quickly. Only enable them when needed, or use battery-saving modes if your phone supports them. 

Disable push email and sync: 

Constantly syncing your email and other data in real-time can drain your battery. Consider fetching data manually or using longer sync intervals. 

Enable battery-saving mode: 

Constantly syncing your email and other data in real-time can drain your battery. Consider fetching data manually or using longer sync intervals. 

Update your OS and apps: 

Regularly update your apps and operating system. Developers often release updates that include optimizations and bug fixes, which can improve battery efficiency. 

Use Wi-Fi instead of cellular data: 

When possible, connect to Wi-Fi networks instead of relying on cellular data. Wi-Fi typically consumes less power for data-intensive activities. 

You can also consider reading the below story