✔️ 2022-04-12 21:32:51 – Paris/France.
- When Optimized Battery Charging is on, your iPhone won't fully charge until you need to use it.
- Optimized battery charging slows down your iPhone charging, but it also keeps the battery healthy longer.
- If your iPhone stays fully charged for too long, it can damage the battery.
- Visit Insider's Tech Reference Library for more stories.
If you're like most people, you probably keep your iPhone connected to a charger while you sleep. This ensures it's fully charged when you wake up, ready to last all day.
Unfortunately, keeping your devices connected to a charger all the time isn't always a good idea. If your device's battery is fully charged, but you continue to charge it, the battery will slowly wear down until it can't hold a charge at all. Your battery's ability to hold a charge is known as "battery health," and it's important for phones, computers, tablets, and more.
That's where Apple's Optimized Battery Charging feature comes in. Optimized Battery Charging (or OBC for short) is a feature that prevents your iPhone from charging to protect its battery health. It might sound like a bad thing, but trust us, it's a great feature.
Here's how Optimized Battery Charging works and how to turn it on or off.
How Optimized Battery Charging Keeps Your iPhone Battery Healthy
As we mentioned, if your iPhone is fully charged but you still keep it connected to a charger, you are damaging the battery. Charging an already fully charged battery wears down its components and chemicals and makes it harder to maintain power.
To put it plainly: let's say that when you bought your iPhone, a full charge would keep it alive for 24 hours. A battery worn out by overcharging may only last 20 hours, then 15 hours, then 10 hours. Eventually, it won't even last that long.
Optimized battery charging prevents this. When OBC is enabled, your iPhone charges more slowly, reducing the time it spends fully charged and plugged in. This keeps your battery healthy and extends the duration of each charge.
You will see this message while your iPhone is charging overnight. Apple
The feature works by studying your schedule, recording when you use your iPhone and when you leave it charging. If you plug in your iPhone before you go to bed, it will charge until it reaches 80% and then stop. It will then wait to reach a full charge just before your alarm goes off. You don't have to worry about overloading while you sleep – OBC takes care of that.
So even if it means you're deliberately slowing down iPhone charging, it's a net benefit in the long run. A healthy battery keeps your iPhone alive longer and lets you get the most out of every charge.
Important: While OBC helps keep your battery healthy longer, it doesn't make it immortal. Your iPhone battery will necessarily wear out over time due to temperature changes and natural chemical reactions.
Optimized Battery Charging is available on all iPhones running iOS 13 (released in 2019) or later. If you're not sure what version of iOS you have, you can check using the Settings app.
Every new iPhone should also have Optimized Battery Charging enabled by default. But if you want to check, or if you want to disable the feature, you can do it quickly.
How to enable or disable Optimized Battery Charging
1. Open the Settings app on your iPhone and scroll down to select Battery.
2. Tap Battery health.
3. On the Battery Status page, you can see the health status of your battery. To enable or disable OBC, press the toggle switch labeled Optimized battery charge.
Press the toggle switch to enable or disable OBC. William Antonelli/Insider
If you deactivate it, you will also have to choose to deactivate it temporarily or permanently.
William Antonelli
Tech Reporter for Insider Opinions
William Antonelli (he/she/they) is a New York-based writer, editor, and organizer. As a founding member of the Reference Team, he helped grow Tech Reference (now part of Insider Reviews) from humble beginnings to a juggernaut that attracts over 20 million monthly visits. Outside of Insider, his writing has appeared in publications like Polygon, The Outline, Kotaku, and more. He's also a go-to source for tech analysis on channels like Newsy, Cheddar, and NewsNation. You can find him on Twitter @DubsRewatcher, or reach him via email at wantonelli@insider.com. Read more Read less
SOURCE: Reviews News
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