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[Solved] How to fix iPhone not charging above 80%?

How to fix iPhone not charging above 80%? Even though you have plugged in the charger the whole night?

So you’ve been operating iOS 13 for a while and have noticed that your iPhone is charging slowly. When you use the 5-watt power adapter out of the box, the time it takes to charge your iPhone’s battery to 100 per cent is reduced to 80 per cent or less. That’s because, with iOS 13, Apple included a new feature that delays charging for a good reason.

Unlike any conspiracy theories you may have heard, Apple wants to safeguard its consumers’ battery life. While it has used devious techniques to cause internet outrage in the past, it is taking a new approach with iOS 13 with slower charging.

fix iphone not charging above 80
fix iPhone not charging above 80%

Why does Apple make slow chargers for iPhones?

We recently wrote about three terrible behaviours that are likely destroying your phone’s battery, debunking popular fallacies about battery consumption and how much control we have over how quickly battery life degrades. Too many of us, unfortunately, still charge our phones overnight.

While overnight charging isn’t as dangerous to our health as previously thought, it is one of the primary reasons why the identical iPhone that used to last all day now need a charge after only a few hours.

When you charge your iPhone overnight on iOS 12 or earlier, it stays at 100 per cent battery for hours at a time, which puts strain on the battery.

In a world where fast charging is the norm (even the new iPhone 11 Pro models come with an 18-watt power adaptor), Apple is delaying charging to address one bad behaviour shared by all smartphone users: overnight charging.

In today’s article, we recommended that OEMs provide a feature that allows consumers to manage charging settings. We should be able to turn off the phone charger when it reaches 80–85 per cent charge instead of focusing on runtime. This minor tweak would benefit your battery since you would avoid the stress of carrying a heavier load, and charging would take less time. Apple appears to have taken notice.

“Optimized Battery Charging” is enabled by default in iOS 13 on your iPhone. When your iPhone reaches 80% charge, the new option will automatically turn off charging. When that happens, the iPhone will behave as though it is at 100%, doing its utmost to save the percentage.

How to fix iPhone not charging above 80%?

If your iPhone doesn’t charge after 80 per cent, even when connected to a fast charger, follow the steps below.

Method 1) Optimized Charging should be Turned Off.

Your iPhone employs on-device machine learning to learn about your regular charging behaviour and forecast how long it will stay plugged in. It can then reduce charging speed and wait for a suitable period to complete charging past 80 per cent.

This prolongs the battery’s life and prevents it from degrading. However, the algorithm isn’t always correct, and the battery may remain at 80 per cent charge for minutes or hours even when you want it to charge quickly. Fortunately, you can disable it as demonstrated below:

turn off optimize charging - fix iphone not charging above 80
Turn off Optimize charging
  • On your iPhone, go to Settings.
  • Go to Battery > Battery Health and scroll down.
  • Toggle the Optimized Battery Charging toggle off.

By selecting Turn Off Until Tomorrow, optimal charging is disabled until 6 a.m. the next day. The other choice will turn it off permanently, which we don’t suggest if battery life is a problem.

Is it Bad to Charge Your iPhone to 100%?

At its extremes, a lithium-ion battery is the most strained. As a result, increasing the charge from 80 to 100 will accelerate aging. This will harm the battery and diminish the charge-holding capacity of your iPhone.

If you prefer to have your iPhone plugged in all the time, you should either turn on Optimized Charging or attempt to plug it out after the battery level reaches 80 percent.

Method 2) Clean the charging port and cable.

The lightning wire and charger are the next items to inspect. If you’re utilizing third-party accessories, be sure they’re Apple-certified or original. If you see an alert that says, “This item may not be supported,” your charger or cord may be faulty or not Apple-certified.

To discover the root of the problem, try an alternative charger, cord, and socket. If you don’t have an extra charger, you may charge the device using the USB port on your computer, but it will take longer than usual. This should solve your iPhone, which is stuck at 80% when charging.

A dirty port might also cause your iPhone not to charge or say “not supported” for cable or charger. Clean the debris and grime from the lightning port with a soft earbud or brush, then plug in the cable to verify whether it charges correctly. This frequently happens if you live in a dusty environment or if you haven’t cleaned your iPhone in a long time.

Method 3) Cooldown your iPhone

Is your iPhone charging at 80% even when you turn off optimal charging? When charging, iPhones heat up quickly, especially when using a fast charger. The battery safety mechanism kicks in and stops charging if the temperature limit is exceeded.

If you keep your iPhone plugged in, charging will restart once the temperature returns to normal. Disconnect the charger and wait for it to cool down if it’s getting too hot. You may also keep your iPhone cool while recharging by following the steps below:

  • Charge the iPhone in a well-ventilated or air-conditioned environment.
  • Make sure it’s not in direct sunlight, such as on your car’s dashboard.
  • Remove any cover or other accessories from your iPhone.
  • While the iPhone is charging, do not use it.

Method 4) Update, Reset or Reboot your iPhone.

Most individuals will be able to charge their iPhone beyond 80 per cent by turning off optimized charging and keeping it away from heat. However, if it doesn’t work, attempt the following troubleshooting steps:

  • Remove the charger from your iPhone and restart it.
  • Update your iPhone’s software to the most recent version. Open Settings > General > Software Update to do so. If any updates are available, download and install them.
  • Go to Settings > General > iPhone Transfer or Reset. Reset > Reset All Settings is the option. This will return all settings to their default state.
  • Restart the iPhone by performing a factory reset.

For further information, contact Apple Support or visit an authorized Apple Service Center.

Method 5) Check your iPhone Battery Life Condition

Like any other lithium-ion battery, iPhone batteries deteriorate over time due to continuous charge and discharge cycles. Under typical settings, the iPhone cell is designed to retain 80% of its overall capacity after 500 complete charge cycles, according to Apple.

battery life - fix iphone not charging above 80
battery life

If your iPhone is too old, a faulty battery might be why it won’t charge past 80% or a specific point. Other indicators include thickening or bulging on the rear of the phone, quicker or unexpected battery drains, or anomalous shutdowns.

  • To check the health of your iPhone’s battery, go to:
  • On your iPhone, go to Settings.
  • Scroll down to Battery and touch it.
  • Tap Battery Health to check the current maximum capacity of the battery.

If the condition of your battery deteriorates beyond 60-70 per cent, the charge-holding capacity will be reduced, and you may notice a reduction in peak performance capabilities. Consider having it replaced by an authorized service centre in such a situation.

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