If your phone's battery is draining faster than usual, it either means you're using a lot of energy or your phone is not using energy efficiently. This could mean you're overworking your phone by running too many applications, or something is physically wrong with the phone battery itself.
Open the Battery usage section, and you can check out stats for the last seven days or the last 24 hours using the drop-down menu just to the right. In either case, you'll see a chart showing battery drain over time, and under that, you'll see the applications that are most responsible for it.
Display brightness and screen time-out settings
The brightness of your iPhone screen can have a significant impact on your battery life. If your display is too bright, it can quickly drain your battery. Similarly, if your screen timeout settings are set for too long, it can also reduce your battery life.
The two things that cause the most battery drain in your iPhone are its screen and cellular service. Obviously, you know when you're actively using your phone, but your iPhone is often performing tasks in the background and even lighting up your screen without you noticing.
If your phone's battery is draining faster than usual, it either means you're using a lot of energy or your phone is not using energy efficiently. This could mean you're overworking your phone by running too many applications, or something is physically wrong with the phone battery itself.
It's especially important to avoid exposing your device to ambient temperatures higher than 35° C (95° F), which can permanently damage battery capacity. That is, your battery won't power your device as long on a given charge. Charging the device in high ambient temperatures can damage it further.
Lower background activity
Apps like Facebook® and Instagram can still run in the background, checking for updates, refreshing content, and pushing notifications, even after you've closed them—which can drain your phone battery.
To improve battery life, you can turn off the feature that allows apps to refresh in the background. Go to Settings > General > Background App Refresh and select Wi-Fi, Wi-Fi & Mobile Data, or Off to turn off Background App Refresh entirely.
There may not be a noticeable change straight away but if you do this every single night, you may see your battery degrade over time. Therefore, charging your phone overnight isn't necessarily bad but you should not do it consistently if you want to get the best out of your battery.
Once you get a handle on which apps are the most taxing on your phone's battery, the next best thing you can do is delete, delete, delete. “In general, then, deleting apps can free up resources and improve the performance and battery life of your iPhone,” Lewis said.
You can set a shorter screen timeout to fix the battery drain fast: Press the Menu button > Tap Settings > Touch Screen/Display > Tap Timeout/Screen Timeout > Then select a shorter time period.
It was thus found that the dark mode can significantly save battery life in peak brightness, usually employed by smartphone users in outdoor conditions under sunlight.
Background Running apps
Some apps, even after they are closed, keep updating in the background and make phone battery drain fast. It won't be wrong to call them silent battery killers. So one of the primary things you must do when you observe your android battery draining fast is to close these background apps.
If the drain is excessive, the most common way of isolating the cause is removing one fuse at a time. If the current drops to normal when you remove a fuse, then that fuse identifies the offending circuit. If you're using these methods, then hopefully the battery is under the hood and easy to reach.
On average, a cell phone battery should last between two and three years. After that, it will likely begin to have a negative impact on your cell phone's performance. Here are a few common symptoms of a dying cell phone battery: Needing to charge your phone multiple times in one day.
Conclusion. As you can see, leaving your iPhone to charge overnight is not a good idea. Not only does it reduce the lifespan of the battery, but it can also cause the battery to overheat.
Keeping a battery at full charge or always draining it to 0 can damage it and reduce its capacity. Try to keep your battery midway charged when you can and only charge to 100% when you need the extra time.
While mobile phone batteries wont overheat to the point that it's dangerous to the user, exposing a battery to high heat is one of the fastest ways to shorten its lifespan. If you can't avoid leaving your phone to charge overnight, make sure its in cool or well-ventilated place so the heat can more easily dissipate.
You can't overcharge any iOS device; the charger is built into the phone and stops charging at 100%. The absolute best way to slow the decline of battery capacity long term is to enable Optimized Battery Charging (Settings/Battery/Battery Health) and charge the device overnight, every night.
Maintain good battery health
It is always recommended by experts to start charging your iPhone when it hits 25 percent. Similarly, only charging the battery up to 85 percent will help the iPhone's battery to maintain good battery health and deliver extended battery life.