1. Understanding why the battery drains quickly

Before trying to improve your phone’s battery life, it is useful to understand what consumes the most energy. On a smartphone, several elements can reduce battery life without you even noticing. The screen is often the component that uses the most energy, especially when the brightness is set high. Applications running in the background can also continuously use the battery.

Connections such as Wi-Fi, Bluetooth, or GPS can also drain the battery when they remain active all day. Frequent notifications, automatic updates, or certain very demanding applications can also speed up the phone’s battery drain. From experience, GPS apps (Waze, Google Maps...) consume a lot of power because they calculate several things in real time.

To identify what uses the most energy, you can check the battery statistics directly in your phone’s settings.

On Android:
Settings → Battery → Battery usage

On iPhone:
Settings → Battery → Battery usage

This information helps identify the applications or functions that consume the most energy.

3. Apps that consume the most battery

Some applications use much more energy than others. Social media, video apps, mobile games, or GPS navigation apps are often among the most battery-intensive services. Some applications also continue running in the background even when you are not actively using them.

Over time, it is also common to keep applications on your phone that you no longer really use. These apps may continue to consume energy to update themselves or send notifications. To limit this consumption, it can be useful to regularly check the installed applications and remove those that are no longer used. It is also possible to limit background refresh for certain applications.

On iPhone:
Settings → General → Background App Refresh

On Android:
Settings → Apps → Battery

These settings help reduce app activity when they are not open.

3. Apps that consume the most battery

Some applications use much more energy than others. Social media, video apps, mobile games, or GPS navigation apps are often among the most battery-intensive services. Some applications also continue running in the background even when you are not actively using them.

Over time, it is also common to keep applications on your phone that you no longer really use. These apps may continue to consume energy to update themselves or send notifications. To limit this consumption, it can be useful to regularly check the installed applications and remove those that are no longer used. It is also possible to limit background refresh for certain applications.

On iPhone:
Settings → General → Background App Refresh

On Android:
Settings → Apps → Battery

These settings help reduce app activity when they are not open.

Conclusion

A battery that drains quickly is not always a sign of a serious problem. In many cases, a few simple settings and good usage habits can improve your phone’s battery life.

By reducing screen brightness, limiting applications running in the background, and using power saving mode, it is often possible to gain several extra hours of battery life each day.

If, despite these settings, the battery continues to drain very quickly, it may be useful to check the battery’s condition or have the phone diagnosed. A battery that charges poorly, charges slowly, and drains very quickly should be replaced. All of my advice aims to help preserve and manage a functional phone battery in good condition. Replacing a battery at a professional repair shop is usually not very expensive, but make sure they install an original battery or a good-quality generic one.

Curious to learn more?

Would you like to learn more about how your smartphone works by reading guides and tutorials on smartphone use ? Visit the Smartphone Tutorials section ! Are you also curious about how to troubleshoot your phone ? Then check out the Smartphone Troubleshooting section. Finally, to improve your general computer knowledge—especially about Windows—take a look at my free computer courses, designed for seniors and beginners of all ages.