Optimised battery charging

Optimised battery charging DEFAULT
Apple iPhone Battery Health Menu

The iPhone’s lithium-ion battery tends to have a longer lifespan when it isn’t fully charged. Apple’s optimized battery charging feature—releasing with iOS 13—keeps the battery below 80 percent until a full charge is needed, reducing unnecessary battery aging. Here’s how to enable or disable it.

To begin, open the “Settings” app on your iPhone. If you can’t find the icon, swipe down on your home screen and use Apple’s Spotlight search to find the app.

RELATED:How iOS 13 Will Save Your iPhone's Battery (by Not Fully Charging It)

Apple iPhone Click Settings

Scroll down and choose the “Battery” option.

Apple iPhone Click Battery

Select “Battery health.”

Apple iPhone Click Battery Health

Tap on the toggle next to “Optimized battery charging.”

Apple iPhone Toggle Optimized Battery Charging

If you’ve just disabled optimized battery charging, your iPhone will now stop waiting at 80% and will go straight to 100%. In other words, it’ll charge the old-fashioned way, just like iPhones did before iOS 13.

If you’ve just enabled optimized battery charging, your iPhone will now start analyzing your charging routine to determine when it should fully charge its battery. If you ever want to ensure that your smartphone has a full charge, you can follow these steps and disable the optimized battery charging feature.

Sours: https://www.howtogeek.com/439857/how-to-enable-optimized-battery-charging-on-your-iphone/

How to Turn Off Optimized Battery Charging on iPhone (iOS 15 Update)

Optimized Battery Charging is designed to improve battery life, and part of charging optimization includes reducing the time that the iPhone spends fully charged. When this function is enabled, your iPhone will delay charging past 80% in certain situations. There are various benefits to keeping iPhone optimized charging on, but you can experience a faster charge if you turn charging optimization off. If you're interested in learning more about whether fast charging is safe for your iPhone, we can help with that too!

How to Turn Off Optimized Battery Charging

To speed up charging, you can turn off charging optimization.

  1. Open the Settings app.
  2. Scroll down and tap on Battery.

  3. Select Battery Health.
  4. Tap on the Optimized Battery Charging toggle to turn it off. Green means optimized charging is on, gray means it's turned off.

  5. Select Turn Off Until Tomorrow or Turn Off, whichever you prefer. Turn Off will keep charging optimization off until you turn it back on again.
  6. Once you make a selection, your changes will save automatically.

If you decide to turn Optimized Battery Charging on again, you can enable it again as necessary by going into your Battery Health settings using these same steps.

Sours: https://www.iphonelife.com/content/how-to-turn-optimized-battery-charging-iphone
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What Is Optimized Battery Charging on iPhone and Mac?

Rechargeable lithium-ion batteries have changed the world by making computers and phones powerful and portable. They are also tricky to maintain.

As lithium-ion batteries wear down due to age, temperature, and usage they have trouble holding a charge. It’s up to you as the owner of a device to maintain its battery’s health—unless you have Apple products.

Apple’s Optimized Battery Charging on iPhone and battery health management on MacBooks do a lot of heavy lifting to make sure your devices’ batteries hold long charges for a long time. Let us tell you all about it below.

How Optimized Battery Charging Works

Optimized Battery Charging (or battery health management) is a feature that was introduced in iOS 13 and macOS 10.15.15. It’s a piece of software that checks on your iPhone and Mac battery health and prevents chemical aging of the batteries.

Lithium-ion batteries are rechargeable, but only to a certain point. As they age, the batteries get less effective at holding charges. This aging process doesn’t just happen over time though. It is accelerated chemically as well by factors within and around a battery.

For example, keeping a lithium-ion battery very cold or very hot causes such chemical aging. Cold slows down internal reactions inside of a battery while heat increases their frequency. Both instances wear the battery down internally and reduce the battery’s ability to hold a charge over time.

This is part of why it’s important to make sure your MacBook Air doesn’t overheat.

How you charge and use a device with a lithium-ion battery also affects its chemical age. Lithium-ion batteries tend to degrade when they’re charged over 80% or get below 20% a lot of the time.

So, if you charge your iPhone overnight you’re possibly harming the battery. Unless you use Optimized Battery Charging.

Optimizing Battery Charging was designed specifically to help iPhones and Macs to charge in ways that won’t damage their batteries.

First, the feature figures out the daily charging routine of your iPhone or Mac. It also figures out the usual times you start using the device throughout the day.

Once it knows when a charging cord is regularly left in for a long period of time, like overnight, the program ensures your device’s battery isn’t charged beyond 80% until close to a time when you’ll use the device again. For overnight charging that would be close to the time when you wake up.

Should You Use Optimized Battery Charging?

Apple certainly recommends keeping Optimized Battery Charging turned on to ensure your iPhone and Mac batteries last a long time. But there have been reports that the feature has a significant bug.

This bug has caused some iPhone batteries to drain prematurely rather than maintain their charge, as Optimized Battery Charging is supposed to help with long term.

This is a notable risk. But it’s not a widely reported error, and actually monitoring battery cycles and charging on a good schedule can be a lot more difficult on your own.

Overall, we agree with Apple that it’s a great feature to have and use. Particularly alongside using our tips for keeping your iPhone battery from draining and these apps that improve a MacBook’s battery life.

Combined, these tips should keep your lithium-ion batteries to last a good long time. And they should help you notice if sudden drains are happening to your battery as well!

To make sure you have Optimized Battery Charging turned on, or to turn if off because you have noticed the drain, check out the next sections to see how to access the feature on an iPhone or Mac.

How to Turn Optimized Battery Charging On or Off on an iPhone

To turn Optimized Battery Charging on or off on your iPhone, first tap on Settings. Scroll down to Battery, then tap on Battery Health.

In here, you’ll see your iPhone battery’s maximum charge capacity, and a report on whether your iPhone battery is working at peak performance. Below both of those, you’ll find the Optimized Battery Charging switch. Turn it on or off as you see fit!

Image Gallery (2 Images)



When Optimized Battery Charging is turned on and you’re charging your phone for an extended period of time, you should see a notification on your Lock Screen that gives the time when your phone should be done charging.

If you want to turn Optimized Battery Charging off at that point, tap and hold the notification, and tap Charge Now. Your phone will charge normally, rather than pausing for a time when it reaches 80%.

How to Turn Optimized Battery Charging On or Off on a Mac

To turn Optimized Battery Charging on or off on your Mac, open System Preferences and click on Battery.

In the menu on the left of the window, select Battery. Check or uncheck the Optimized battery charging box to turn Optimized Battery Charging on or off.

To really ensure your Mac battery is doing well, also click on the Battery Health button at the bottom of the window, and make sure the Manage battery longevity box is checked. Or uncheck it and click Turn Off to ensure no Optimized Battery Charging or battery management is taking place.

Apple Is Taking Care of Its Products

You can do a lot to ensure a lithium-ion battery you own has a long lifespan. Apple is making that easier with Optimized Battery Charging in iPhones and Macs.

It’s a feature that’s worth keeping turned on for your devices, and doing in tandem with other battery health care. Keep yourself from needing to buy replacement batteries or new devices by taking care of what you have, and turn on Optimized Battery Charging today.


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Wondering how to check battery health on Android? Learn how to see and monitor your Android phone's battery health.

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About The Author
Jessica Lanman (44 Articles Published)

Jessica has been writing tech articles since 2018, and in her free time loves knitting, crocheting, and embroidering tiny things.

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An iOS glitch could be wearing out your iPhone's battery prematurely

iOS 13 introduced a new feature for the iPhone that was designed to reduce battery wear. The feature, called Optimized Battery Charging, is meant to kick in and prevent the battery from being charged-up and held at the 100%-mark for extended periods.

The idea is that, when you plug your iPhone in to charge, the iPhone first charges up at normal speed to 80%, then the charging current is reduced, and the battery only fully charged at the last minute, so you wake up in the morning with an iPhone at 100%.

Before we go any further, we need to understand how iOS 13 knows when you wake up.

The bottom line, it learns. It uses location services to learn that you are home or the office and then tries to learn your patterns.

Which brings us to the first problem with Optimized Battery Charging: If you work or sleep irregular hours, Optimized Battery Charging doesn't work. If you get up at 7am on a Monday and Friday, but get up at 6am Tuesday to Thursday to go to the gym, and sleep in over the weekend, it has a hard time understanding.

Also, I had the idea that iOS might try to learn your patterns from your alarm clock or calendar, but I've tested this, and it doesn't seem to be the case.

Also, if you've had a regular schedule, and then you break that pattern, it can take a while -- maybe as much as a week or more -- to work again.

Must read: The ultimate MacBook Pro accessory just got cheaper

Another problem is that it can be erratic. I get up pretty regularly at 6:30am, but Optimized Battery Charging gets my iPhone to 100% much earlier than that, sometimes 5:30am, but sometimes as early as 3:30am.

It's weird. To add to the weirdness, you sometimes get a notification. I saw one once. Never again. I didn't do anything to hide future notifications. If anyone knows how to get them back, let me know!

Optimized Battery Charging notification

You might be wondering how I know that Optimized Battery Charging is working, and when it finished charging.

Take a trip to Settings > Battery and take a look at the Battery Level chart. It'll look something like this:

Optimized Battery Charging working

You can clearly see from the chart when charging started (labeled 1), when Optimized Battery Charging kicked in (labeled 2), and when it finished charging (labeled 3).

Here is an example of Optimized Battery Charging not working, and the battery charged to 100% as fast as possible.

Optimized Battery Charging not working

So, what if Optimized Battery Charging isn't working? Apple has some scant information, relating to certain Location Services settings that need to be enabled. It also mentions that the "feature doesn't engage when your usage habits are more variable, such as when you travel."

I've found that rebooting helps to bring Optimized Battery Charging back to life, while others suggest that turning the feature off and on does the trick too.

Using the stock charger, or a high-quality third-party charger also helps. Wireless chargers seem to be problematic sometimes.

Sometimes though, the only option is the nuclear option, and resetting the iPhone completely. Pretty drastic, but it usually fixes most issues.

Until the next time.

See also:

Related Topics:

Mobility Apple Smartphones Hardware Reviews iOS Sours: https://www.zdnet.com/article/an-ios-glitch-could-be-wearing-out-your-iphones-battery-prematurely/

Battery charging optimised

iOS 13 iPhone features: What is Optimized Battery Charging?

Apple is trying to make the battery in your iPhone last longer, so you can use your phone for longer periods of time without needing to get it serviced. Optimized Battery Charging changes the way in which your iPhone charges overnight in order to extend the lifetime of the battery. After updating to iOS 13, you may have been wondering ‘why is my iPhone only charging to 80 percent?’ Here’s why…

All iPhone models use lithium-ion batteries, like most mobile devices. Lithium-ion batteries age over time and degrade. They degrade due to the number of charge cycles and also how they are charged, such as how often they stay at 100% charge.

As the battery degrades, their maximum capacity reduces. An aging battery may cause performance slowdowns and you will also notice that your iPhone may not last as long on a single charge, as the total effective battery capacity is less.

What is Optimized Battery Charging?

In iOS 13, Apple has introduced a new feature called ‘Optimized Battery Charging’. This is enabled by default. The iPhone learns your daily routine and predicts how long the iPhone will be on the charger when you go to bed overnight. After a few weeks, it will learn that you consistently wake up and take your iPhone off charge at 8 AM, for example.

With this prediction of daily behavior, Optimized Battery Charging prevents your phone from fully charging to 100% as soon as you plug it in. Instead, the iPhone battery will charge to about 80%. This means it will stay at around 80% for most of the night, even though it is connected to the charger the whole time. Just before 8 AM, the iPhone will then finish charging and should hit 100% just as you take it off the charger to get on with your day.

When active, you can see this on your iPhone Battery chart. As shown in the example above, there is a clear ‘step’ in the gradient of the charging graph. When plugged into power, the iPhone quickly reaches 80% charge. It then waits at 80% for the remainder of the night hours; you can see this marked by the dark blue line.

When the iPhone predicts you will take the phone off charge, usually the time at which you wake up, it then completes charging to 100% (as shown by the light blue line). This minimizes the amount of time that the battery spends at 100% charge, which extends the life of the battery.

How do I know if Optimized Battery Charging is active?

The Optimized Battery Charging setting is enabled by default for all iOS 13 iPhone users. However, that does not mean that the feature is actually happening. This is because it takes some time for the phone to learn your daily routine. It may need several weeks of data before it can reliably guess when you will need the phone in the morning. If your schedule is erratic, it may never learn.

When the iPhone has collected enough data (which is stored on-device only and not shared with Apple), it will tell you that Optimized Battery Charging has been enabled. You will get a notification on your lock screen like:


To reduce battery ageing, iPhone learns from your daily charging routine so it can wait to finish charging past 80% until you need to use it.

How to disable Optimized Battery Charging?

Optimized Battery Charging is designed to help make your iPhone experience last longer before you need to service the battery. However, Optimized Battery Charging can be annoying if you get up in the middle of the night unexpectedly and need your phone to be fully charged, only to find it is at 80%.

If you want your phone to charge to 100% immediately, and accept that the battery may age faster, you can disable Optimized Battery Charging. To do this, open the Settings app. Tap Battery -> Battery Health and turn the toggle off for the ‘Optimized Battery Charging’ setting to disable the feature.

How to speed up charging past 80%?

When the iPhone is at 80% charge and is waiting to finish the remaining 20%, you can temporarily tell the phone to ignore the Optimized Battery Charging schedule and finish charging to 100%.

The notification for when Optimized Battery Charging is active.

There will be a notification on your Lock screen that says something like ‘Scheduled to finish charging by 10:00 AM’. If you long press on that notification, you can press ‘Charge Now’ to have the iPhone resume charging to 100%. The Optimized Battery Charging schedule will continue the next day.

This is useful if there is a special occasion where you need the phone to charge to full as soon as possible, but you want to keep the Optimized Battery Charging feature turned on for the rest of the year.

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Optimised battery charging iOS 13 explained in Hindi

About Optimized Battery Charging on your iPhone

With iOS 13 and later, your iPhone learns from your daily charging habits to improve the lifespan of your battery.

A battery’s lifespan is related to its chemical age, which is more than just the length of time since the battery was assembled.  A battery's chemical age results from a complex combination of several factors, including temperature history and charging pattern. All rechargeable batteries are consumable components that become less effective as they chemically age. As lithium-ion batteries chemically age, the amount of charge they can hold diminishes, resulting in reduced battery life and reduced peak performance. Learn more about iPhone battery and performance and how to maximize battery performance and lifespan.

With iOS 13 and later, Optimized Battery Charging is designed to reduce the wear on your battery and improve its lifespan by reducing the time your iPhone spends fully charged. When the feature is enabled, your iPhone will delay charging past 80% in certain situations. Your iPhone uses on-device machine learning to learn your daily charging routine so that Optimized Battery Charging activates only when your iPhone predicts it will be connected to a charger for an extended period of time. The algorithm aims to ensure that your iPhone is still fully charged when unplugged.


Optimized Battery Charging is on by default when you set up your iPhone or after updating to iOS 13 or later. To turn off the feature, go to Settings > Battery > Battery Health > Optimized Battery Charging.


When Optimized Battery Charging is active, a notification on the Lock screen says when your iPhone will be fully charged. If you need to have your iPhone fully charged sooner, touch and hold the notification and then tap Charge Now.

If Optimized Battery Charging doesn't activate

Optimized charging is designed to engage only in locations where you spend the most time, such as your home and place of work. The feature doesn't engage when your usage habits are more variable, such as when you travel. Because of this, some location settings must be enabled for Optimized Battery Charging to activate. None of the location information used for this feature is sent to Apple.

Here are a list of settings that must be enabled:

  • Settings > Privacy > Location Services > Location Services.
  • Settings > Privacy > Location Services > System Services > System Customization.
  • Settings > Privacy > Location Services > System Services > Significant Locations > Significant Locations.

Published Date: 

Sours: https://support.apple.com/en-us/HT210512

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