How to Improve Your Android Phone’s Battery Life

You really shouldn’t have to worry about your phone’s battery level dropping to half at midday, but here we are: a common frustration among Android users. As frustrating as the situation is, there are some pretty simple solutions that can add hours to your day and extend your battery life in the long run.

Most Android phones run out of juice for completely avoidable reasons, such as a screen that’s too bright, apps that refresh in the background 24 hours a day, poor charging habits, or an app that continues to drain power while you go about your day ignoring it. You don’t have to switch to airplane mode, put up with a dark screen you can barely see, or turn off Wi-Fi. A few targeted tweaks can realistically add hours of battery life without you noticing any real difference in daily use.

It is also worth approaching this problem from two angles. The first is daily battery drain and the second is long-term battery health. You don’t want to have to replace your battery. Let’s take a look at practical steps you can apply right away without needing a computer science degree.

Your screen is almost always the biggest drain on your phone’s battery, so that’s where we need to start. Manually reducing brightness or enabling auto-brightness prevents your screen from consuming unnecessary power in dark environments. You can also reduce your screen timeout to 30 seconds so that the display doesn’t linger when you’re not using it. Adaptive brightness can be activated in Settings > Display in the Brightness section, while the screen timeout can be adjusted a little further down in the menu.

If your phone supports a 120Hz refresh rate, you should also consider lowering it to 60Hz during daily use. You might have a less smooth experience when scrolling or gaming, but it won’t be the end of the world. Change this setting in Settings > Display > Smooth movement, where you will choose Standard rather than Adaptive. You may also want to let your screen turn off sooner by going to Settings > Display > Screen timeout.

Using dark mode is also an option, but results vary. On OLED or AMOLED displays, dark mode can save between 39% and 47% of display power at full brightness, according to a Purdue University study. At typical indoor light levels, these savings are between 3 and 9 percent.

Beyond the screen, there are two system tools that do very quiet work, namely Battery Saver and Adaptive Battery. Battery saver (also called power saver) limits activity when the charge drops below a set threshold. You can find this in Battery > Battery saver and choose between Standard and Maximum. Adaptive Battery goes a step further and learns which apps you actually use and limits power to those you rarely open. You can activate it by going to Settings > Battery > Background usage limits > Three-dot menu > Adaptive battery.

One thing you can do to protect the long-term health of your battery is to adjust your charging habits. Most Android users plug in their phone overnight and let it charge to 100%, but this habit gradually degrades your battery over time. Lithium-ion batteries are healthiest when charged between 20 and 80 percent. According to Battery University, maintaining this range keeps the voltage lower, which can significantly extend lifespan. Constantly pushing 100% and leaving your phone plugged in, especially in a hot environment, accelerates the loss.

The solution is simple: charge to around 80% when you can, and unplug it before bed if your phone doesn’t have a built-in charge limit. However, many modern Android phones offer a charge cap in the battery settings menu. You can go to Settings > Battery > Battery Protection (the name varies by brand) and choose a limit between 80 and 95 percent.

If you prefer to always see a full battery level on your phone, you can also opt for the Basic setting. This stops charging when the phone reaches 100% battery and only resumes charging when the level drops to 95%. The advice is to do partial loads if you can live with it. Recharging up to 70% is gentler on your battery than letting it drain and then fully recharging. Fast charging, while convenient, actually generates more heat than standard charging, and heat is the leading cause of battery degradation.

If your phone is constantly losing charge faster than it should despite all these tweaks, you should also check what exactly is draining your battery. Go to Settings > Battery > Battery Usage on most Android devices and see which apps have consumed the most power in the last 24 hours or more. Look for anything that stands out, like a navigation app that runs in the background all day, a social media app that constantly refreshes, or a game that hasn’t completely closed.

If you tap on the app name, you’ll see a ton of additional information. Most importantly, you’ll have access to a button that lets you set background usage limits, which will put the app into sleep or deep sleep. Sleeping apps occasionally run in the background, with updates and notifications delayed. Deep sleep apps will never run in the background. Another reason your battery may be draining faster than usual is if your phone is infected with malware. So you need to find and remove any spyware.

If none of this has any real impact on your battery levels, you may want to run a battery test. Samsung users will need to launch the Members app, navigate to Support > Phone diagnostics and start the analysis. Check the battery status and if you get anything that is not normal, be aware that your battery may need to be replaced. Other phones will have different paths for this, like Settings > Battery > Battery Statusbut the point is the same: any rating other than Good or Normal should cause you to consider a battery replacement.