What is optimized battery charging and why you should keep it enabled on your devices

Rechargeable Lithium-ion batteries are the fossil fuels of the 21st century. We use these batteries not only to power smartphones (and all our gadgets) but modern electric vehicles as well. However, maintaining the health of lithium-ion batteries remains a challenge. These types of batteries wear out over time, which can affect their ability to hold a charge. Therefore, keeping the battery at 100% all the time can cause it to deteriorate more quickly.

Moreover, as modern requirements grow, consumers want their batteries charged all the time. While this isn’t possible in the real world, OEMs ship their smartphones with fast charging features, which can deteriorate the batteries of the smartphones even faster. So, to negate this effect, most OEMs ship their smartphones with a feature called Optimized Battery Charging. But what exactly is optimized charging? Here’s everything that you need to know.

What is Optimized Battery Charging, and How Does It Work?

Optimized battery charging is a feature that keeps the battery’s health in check and prevents chemical aging of your smartphone’s battery. But why is preventing the aging of a better important? Well, to answer this simply, a weak battery isn’t able to hold the charge properly, thus resulting in reduced battery life. It also impacts the overall performance of your smartphone.

Different factors affect how fast batteries age, such as their charging pattern, the temperature surrounding them, and their physical age. One of the factors that deteriorates a battery the most is overnight charging or simply keeping a phone connected to a charger even when it is fully charged.

So, most OEMs have developed an optimized charging feature for their smartphones. This feature ensures the batteries don’t deplete quickly and charge in a very safe manner.

It uses machine learning to determine how you use your smartphone. This includes active use, idle time, and charging time. Then, when your phone knows when it will stay connected to a charge for a long period of time (for e.g., overnight charging), it will delay charging past 80%. The charging is then activated before you take your phone off the charger, so you get a fully charged phone.

The feature works well overnight, especially if you have regular sleeping habits. Despite the fact that you make your iPhone purposefully charge slower, it proves to be beneficial in the long run. Here’s how you can enable optimized charging on iPhones, Android smartphones, MacBooks, and even Windows devices:

How to Enable or Disable Optimized Battery Charging on iPhone

The Optimized Battery Charging comes enabled by default on all iPhones (running iOS 13 or above). Just in case you want to double-check, here’s how you can enable (or disable) the feature on your iPhone:

  • Open Settings and go to the Battery section.
  • On the screen that appears, tap the Battery Health & Charging button.
  • Now you can toggle on/off the Optimized Battery Charging feature.

If Optimized Battery Charging is turned on, and you put your iPhone on charge for a long time, the system will send you a notification informing you when your iPhone’s charging will complete. If you want to turn off the Optimized Battery Charging feature at that point, tap and hold the notification, then tap Charge Now. The phone’s charging will continue normally after it reaches 80% instead of pausing.

In addition to enabling optimized battery charging, you should also consider automating the battery saving mode on your iPhone. Using this guide, you’ll be able to activate the Low Power Mode at a specific battery level without manual intervention. Moreover, it contains a shortcut that disables Low Power Mode when the battery reaches a certain level during charging. Such automations and optimized charging will help you maintain healthy battery life while reducing the need for constant charging.

How to Enable or Disable Adaptive Battery Charging on Google Pixel, Samsung Galaxy, and other Android Smartphones

Here’s how you can enable optimized battery charging on various Android smartphones, including Google Pixel, Samsung Galaxy, and OnePlus smartphones:

On Google Pixel Devices (Pixel 4 or newer)

Pixel Adaptive Charging How to Enable

  • To enable adaptive battery charging on Google Pixel smartphones, head over to the Settings app.
  • Go to the Battery section and then click on Adaptive preferences.
  • On the next screen that appears, enable the Adaptive charging toggle. Google notes that when the feature is enabled, the battery lifespan of your Pixel device may increase as the phone will steadily charge during longer charging periods.

On Samsung Galaxy Smartphones

Samsung enable adaptive battery charging

While Samsung doesn’t offer the optimized charging feature on its devices, you can instead limit the charging of the devices to 85% to protect the health of your Galaxy smartphone.

  • Open the Settings app and head over to the Battery and Device Care section.
  • On the next screen, select Battery → More Battery Settings.
  • Now, you can turn on the Adaptive Battery setting that limits the background processes and extends the battery life based on your phone usage and enable the Protect battery toggle, which limits the charging of your device to 85% in order to protect its health.

On OnePlus Devices


OnePlus also offers an optimized night charging feature on its devices. Aside from that, you can improve battery health by optimizing the sleep standby time and the individual apps. Here’s how you can do it:

  • Head over to the Settings app and tap the Battery option.
  • On the next screen, tap More Battery Settings.
  • Now, enable the Optimized Night Charging and Sleep Standby Optimization options. Additionally, you can control the battery consumption of apps by tapping the Optimize Battery Use option.

On Motorola Devices

Motorola lets you set charging schedules for its devices. To use optimized charging on Motorola smartphones, follow these steps:

  • Head over to the Settings app and select Battery.
  • Next, select Optimized charging and enable the Scheduled charging option.
  • Finally, enter the Start and End times for the desired fully charged period.

On Other Android Smartphones

If your smartphone’s brand is not listed above, don’t worry. Many other Android smartphone makers, such as HONOR, HUAWEI, and Realme, offer similar settings on their devices to enable/disable optimized battery charging. Do look up similar options in the Battery settings of your smartphone.

In case you’re unable to spot the settings on your smartphone, then do let us know in the comments section below, and we’ll be happy to help. Alternatively, you can try installing similar apps from the Google Play Store, such as Super Charging Pro, to monitor charging speeds and be notified when your device is charged.

How to Enable or Disable Optimized Battery Charging on a Mac

Screenshot 2022-09-21 at 5.26.24 PM

Just like iPhones, Apple also offers the Optimized Battery Charging feature on macOS. On macOS Ventura (or later), you can enable the option by going to System Settings → Battery → ⓘ and then check or uncheck the Optimized battery charging box to enable/disable the feature.

On macOS Monterey (or earlier), you can enable/disable the feature by going to System Preferences → Battery → Optimized battery charging. To ensure your Mac’s battery is doing well, you should also enable the Manage battery longevity checkbox buried under the Battery Health section at the bottom.

How to Enable or Disable Smart Battery Charging on Windows Laptops and Devices

Source: PCWorld

All Windows devices and laptops support an adaptive charging feature called Smart Battery Charging. Microsoft says that when the Smart Battery Charging feature is enabled, your Windows device’s battery level “will be set to a lower level that’s better for the battery overall.” This means that your laptop may not charge to 100%, but it will charge to a certain point (that’s less then 100%) which helps keep your battery healthier in the long run.

While the feature cannot be enabled manually, Microsoft says that your device will automatically determine when it has to ‘smart charge’. When your Windows device starts smart charging, you’ll notice a heart on the Battery icon on the right side of the taskbar and in Power & battery settings.

Optimized battery charging is a feature that’s worth keeping turned on for your devices. In addition to keeping your battery healthy, it will also save you money on replacement batteries or new devices. Make sure you enable Optimized Battery Charging on all of your devices today.

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