iPhone Battery Draining While Charging: If you have noticed that your iPhone battery percentage keeps dropping when plugged in for charging. Don’t panic. A healthy iPhone Battery percentage always increases while it is plugged in for charging. There are many reasons why your iphone battery percentage decreases instead of increasing when plugged in for charging.
Here are possible common problems you may find in your iPhone battery that are:
- iPhone charging but battery not increasing
- battery decreasing while charging iPhone
- iPhone losing battery while charging
- iPhone charging but battery going down
These iPhone Battery issues can occur because of faulty chargers, overheating, background apps, or battery health problems. In this guide of iPhone Battery fixes, you will know iPhone Battery Draining While Charging and How to fix iPhone Battery Draining While Charging problem.
Why My iPhone Battery Draining While Charging
This question comes to mind when you find the problem and before fixing the issue, it is important to understand Why iPhone Battery Decreases While Charging.
Too Many Background Apps
Check your iPhone installed Apps which are running in the background and consume CPU power, memory, internet data, and battery.
Check iPhone heavy apps like such as Instagram, YouTube, Facebook which can use/consume more energy than the charger supplies, especially if the charger is slow.
Weak or Non-Original Charger
Check your iphone charger quality if you are using a low-quality charger that can prevent your phone from charging properly.
Many third-party iPhone chargers deliver/supply **less power than iphone battery required** which causes the battery to drain even more power while connected/plugged in.
Battery Health Degradation
Your iPhone battery is a Lithium-ion battery which loses capacity over time. If your iPhone battery health drops below 80%, charging performance may become unstable over time.
This situation can cause iPhone battery dropping while charging.
Overheating
When your iPhone gets too hot while using or charging then the system automatically slows charging to protect the battery. This situation of the iPhone may make it appear that the battery percentage is decreasing.
iOS Software Issues
You have to update whenever an iOS Software update comes by Apple. And sometimes software bugs after iOS updates can temporarily cause charging problems.
A restart of the iPhone or again iOS update usually fixes this issues.
10 Fixes For iPhone Battery Draining While Charging
Here are the most effective solutions of your iPhone battery problem that is Why my iPhone Battery Decreases While Charging.
Use the Original Charger
If you have lost or damaged you original iPhone charger then ensure that always use a certified charger from **Apple** or an MFi-certified accessory for your iPhone.
Because cheap iPhone chargers mostly supply insufficient power relative to required power for the iPhone.
Check the Charging Cable
During use/charging original iPhone charger cable damaged cables can interrupt power delivery to your iPhone which leads to this situation. So, you should look for frayed wires, loose connectors, slow charging.
You must replace the damaged/faulty cable which often fixes the problem.
Close Background Apps
During use of the iPhone you may run too many apps in your iPhone, and they are consuming more power and while charging your iPhone increases battery usage.
How to Close Background Apps in iPhone:
Go to: Swipe up on your iPhone -> Close unnecessary apps.
Turn Off Location Services
If location service in your iPhone is on then it continuously uses GPS and consumes more power.
How to Turn off Location Service in your iPhone:
Go to: Settings -> Privacy -> Location Services -> Disable unnecessary apps.
Turn Off Personal Hotspot
You may turn on a hotspot in your iPhone to connect the internet to other devices such as Mac, iPad or other devices. The hotspot in your iPhone consumes large amounts of battery and network power.
So turn off or disable it in your iPhone when not needed.
Update iOS
Many times current iOS creates this problem and iOS Software updates often include charging and battery fixes.
How to update iOS in your iPhone?
Go to: Settings -> General -> Software Update.
Restart Your iPhone
If your iPhone battery decreases while charging then try to restart the iPhone which many times clears temporary software bugs.
How to Restart iPhone?
1. Hold the power button
2. Slide to power off
3. Restart after a few seconds
Check Battery Health
If your iPhone battery percentage goes down while charging then check your iPhone battery health which indicates the condition of your phone battery.
How to check iPhone Battery Health?
Go to: Settings -> Battery -> Battery Health & Charging.
If your iPhone Battery maximum capacity is showing below 80% then battery replacement may be required.
Disable Optimized Battery Charging Temporarily
If your iPhone battery percentage decreases while it is plugged in then disable iPhone battery optimization temporarily which results in delayed charging that may extend battery life.
How to Disable Optimized Battery Charging Temporarily?
Go to: Settings -> Battery -> Battery Health -> Optimized Charging -> Off.
Reset All Settings
If you check all above suggested options to correct your iPhone problem and still showing this error then incorrect settings in your iPhone cause charging problems, resetting iPhone may help to overcome this problem.
How to Reset All Settings
Go to : Settings -> General -> Transfer or Reset iPhone -> Reset -> Reset All Settings.
Apps That iPhone Battery Draining While Charging
Some iPhone apps continue consuming large amounts of power in the background even when your iPhone is plugged in for charging. Such as video streaming apps, online games, navigation apps, social media platforms
If you are using these apps in your iPhone while charging, the battery may decrease percentage temporarily.
iPhone Overheating While Charging
If your iPhone becomes hot while charging, then charging speed may slow down or pause in your iPhone. Overheating common reasons includes charging while gaming, using heavy apps, high environmental temperature, faulty charger
Let the device(iPhone) cool down before continuing to charge.
Frequently Asked Questions
Why is my iPhone charging but not increasing?
This usually happens in your iPhone when the phone consumes more power than the charger supplies due to background apps or overheating or faulty charger.
Why does my battery drop while plugged in?
Your iPhone battery drop while plugged in possibly due to weak charger, damaged cable, poor battery health, heavy app usage etc
Can overheating stop the iPhone from charging?
Yes. When the device(iPhone) overheats, the iPhone system limits charging to protect the battery.
Summary
If your iPhone battery goes down while charging, the problem is usually caused by weak chargers, background apps, overheating, poor battery health
You can follow these 10 fixes in this guide, so that you can quickly resolve the iPhone battery not charging while plugged in and restore proper charging.
Add in your habit to regularly checking battery health, using certified chargers, and managing apps will help maintain stable battery performance and longer battery life.
Also Read:
Complete guide to checking iPhone battery health
Fix iPhone overheating while charging
9 Proven Fixes Stop Your iPhone Battery Draining

Rishi Sanuj is write article related to Tech and Gadget, Gaming, AI Tools, Software with 8+ years of experience covering PlayStation, and next-gen gaming trends.