How to Fix iPhone Battery Draining Fast While Charging?

Liza Gupta
9 Min Read

Ever notice your iPhone’s battery draining fast even when it’s on the charger? Oh man, that can be super frustrating, right?

Nobody likes to see their phone running low, especially when it’s supposed to be charging.

So, what’s going on here? It could be a few things messing with your iPhone. Maybe it’s some pesky apps running in the background.

Or your charger might be a little worn out. Even an outdated iOS version can play tricks on your battery life.

But you know what? You don’t have to worry. We’re going to dive into some easy fixes to help your iPhone’s battery last longer while charging.

Let’s get this sorted right now. Stick with me — you’re going to learn everything you need!

What causes iPhone battery to drain while charging?

Alright, let’s talk about the reasons your iPhone battery might be acting up.

1. Killer Background Apps

Some apps are sneaky. Even after you think you’ve closed them, they keep running in the background. And guess what? They keep sipping on your battery juice while you’re charging. You need to check and close any apps you don’t need running.

2. Shoddy Charger or Cable

Been using that old charger for ages? It might not be giving your iPhone the right amount of power. Using a genuine Apple charger makes sure your phone charges safely and properly. If your cable looks frayed or the plug gets too hot, it’s time for a new one.

3. Software Glitches

An outdated iOS version could be the real troublemaker. These versions sometimes have bugs that mess with your battery. Good thing is, Apple often releases updates to fix them. So, keeping your iOS updated is a smart move.

4. High-Maintenance Settings

If your screen is super bright or your location services are always on, your battery is working overtime. Bright screens and constant GPS tracking are huge battery drainers. Tweaking these settings can save a lot of energy.

5. Weak Battery Health

Sometimes, it’s just time. Batteries get old, and when they do, they don’t hold a charge like they used to. You can check your iPhone’s battery health in the settings. If it’s low, it might be time for a replacement.

Now that you know the troublemakers, let’s move on to fixing them. Ready? Let’s go!

How to Fix iPhone Battery Draining Fast While Charging?

Alright, let’s get your iPhone battery back on track. We know the reasons, now let’s fix them one by one.

#1 Close Background Apps

First things first — let’s shut down those apps running in the background. They’re sipping your battery even when you don’t use them.

Here’s how you can do it:

  • Double-press the Home button (or swipe up from the bottom if your iPhone doesn’t have a Home button).
  • You’ll see all the open apps.
  • Swipe up on each app to close it.

close conflicting apps on iphone

See? Quick and easy. Do this regularly to keep things running smooth.

#2 Check Your Charging Equipment

Your charger and cable matter more than you think. A bad cable can slow down charging or even drain your battery.

Here’s what you should check:

  • Use an official Apple charger and cable.
  • Inspect your cable for frays, bends, or exposed wires.
  • Feel the charging block. If it gets too hot, that’s a bad sign.

If anything looks off, don’t risk it. Get a new cable or adapter. Your battery will thank you.

#3 Update iOS

Outdated software can cause all kinds of weird problems, including battery issues. Keeping your iPhone updated is super important.

Here’s how to update:

  • Open Settings.
  • Tap General.

go to general in settings in iphone

  • Tap Software Update.
  • If there’s an update, tap Update Now.

software update in iphone settings

It only takes a few minutes, but it can make a huge difference.

#4 Adjust Settings

Some small tweaks can save a lot of battery life. Let’s adjust a few settings right now.

Here’s what to do:

  • Lower your screen brightness. Go to Settings > Display & Brightness and slide it down.

tap on display brightness and then seth the brightness in settings in iphone

  • Turn off unnecessary location services. Go to Settings > Privacy & Security > Location Services and switch off apps that don’t need to track you.

privacy security then click on location services

These tiny changes can add hours to your battery life over time.

#5 Check Battery Health

If your battery is just too old, no fix will help until it’s replaced. Let’s check your battery’s health.

Follow these steps:

  • Open Settings.
  • Tap Battery.
  • Tap Battery Health & Charging.

click on battery and then click on battery health in settings in iphone

If you see the Maximum Capacity below 80%, it might be time to replace your battery. Apple can do it safely for you.

Alright, that was a lot, but you’re doing great. Let’s move on to some bonus tips that’ll make your iPhone even better!

Extra Tips to Keep Your iPhone Battery Healthy

Want to go the extra mile? Here are some bonus tips to keep your battery life strong.

1. Enable Low Power Mode

Low Power Mode is a game-changer. It cuts down on background activity and stretches your battery.

To turn it on:

  • Go to Settings.
  • Tap Battery.
  • Switch on Low Power Mode.

turn off low power mode in battery settings in iphone new

Use it whenever you want to save some extra juice.

2. Say Goodbye to Unused Features

Features like Bluetooth and AirDrop can secretly drain your battery if you leave them on.

Quick tip: Turn them off when you’re not using them. Open Settings, find the feature, and switch it off.

3. Keep Your Phone Cool

Heat is bad news for batteries. Don’t leave your phone in direct sunlight or a hot cars. If your phone feels warm while charging, take off the case and move it to a cooler spot.

4. Restart Your iPhone Regularly

Restarting clears out background junk that could be draining your battery. Try restarting your phone once a week. It’s like giving it a fresh start.

5. Monitor Battery Usage

Want to know which apps are hogging your battery? Here’s how:

  • Open Settings.
  • Tap Battery.

click on settings then tap on battery xll

  • Scroll down to see which apps use the most battery.

If you spot apps draining too much, use them less or delete them if you don’t need them.

These bonus tips are easy to follow and can really stretch your battery life.

The Takeaway

We’ve all felt that frustration when your iPhone battery drops even while charging. But now you know — it’s not always a broken battery. Sometimes it’s just sneaky apps, bad cables, or a few settings that need tweaking.

Remember to close extra apps, use good charging gear, update your software, and check your battery health. Even small changes can make a big difference.

Stick with these tips, and your iPhone will run smoother and last longer. Got any questions or your own tricks to share? Drop a comment below — I’d love to hear from you!

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My love for tech is more than merely using gadgets. Yes, I adore learning how they operate and teaching other people about that as well. I began doing it by repairing my own devices, and soon enough, I was creating extensive guides to help other people repair their tech troubles as well. Whether it's optimizing a mobile phone or implementing a smart home, I like to make technology easy and approachable for anyone.
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