Does leaving the phone on the charger connected all night damage the battery?

Smartphones have developed amazingly over the years in the last two decades, as they started with traditional features and specifications and reached things we used to see in science fiction films only, such as fingerprint, facial recognition, advanced imaging technologies such as professional cameras and many other smart features that have become reality.

But despite all this development, phones still do not last for more than a day without using and less than that with use, so most people run out of battery at the end of the day, which needs to leave the phone on the charger connected while you sleep until the morning, but is this good? For the battery and does it affect it negatively or not, here is the information you are looking for.

Contrary to what you might think, battery technology has actually improved quite a bit. The problem is that phones can also do a lot more now, which means they require more power. The end result is bigger, better batteries that still need to be charged daily.

Information changes

What makes this situation complicated is that there is a lot of contradictory information. You may have heard that leaving your phone on the charger all night is bad and damages the battery. You may have heard that there is no problem in doing so.

Some of this confusion is due to developments in battery technology. Things that were true at one time are no longer true. This is a normal part of learning more about how things work. So what's the deal now? Let's dive in.

How does charging work

Does leaving the phone on charge all night damage the battery?
Does leaving the phone on charge all night damage the battery?

Smartphones are designed with safeguards in place to keep the battery and other components inside safe. One of the things that can damage phones is overheating, which is where a lot of concern comes in about leaving the phone plugged into the charger all night.

Most phones charge quickly when first plugged in or placed on a wireless charger. That is if you just need some extra charging quickly, you don't have to wait long. However, after a while, charging will slow down and stop completely when it reaches 100%.

Of course, since it stops charging at 100%, the battery will slowly discharge. Once it drops to 99% again, it will take a very small amount of energy to get back to 100%. This cycle repeats itself until you remove it from energy. The phone never charges, but it charges almost constantly.

advanced protection

Does leaving the phone on charge all night damage the battery?
Does leaving the phone on charge all night damage the battery?

You may have heard that keeping the battery charged at 20-80% is best. Apple and some Android manufacturers have introduced additional features to keep your phone in this range as much as possible.

Starting with iOS 13 of 2019, iPhones have the “Optimized Battery Charging” feature. When enabled, the phone will stay on about 80% most of the night. The algorithm learns when you normally wake up and charges the device the rest of the way before that. Still starting the day at 100%, but there was no charge between 100 and 99% overnight.

Some Android devices basically have the same feature. OnePlus calls it "Enhanced Charging"; Google Pixel phones have “Adaptive Charging” feature. Samsung Galaxy devices take it a step further and let you have 85% battery coverage all the time.

If you charge your phone overnight, it is best to enable these features if you have them. It makes charging connected throughout the night less problematic.

Related: 5 Ways To Speed ​​Up Your iPhone Battery Charging

How do we define “bad”?

Does leaving the phone on the charger connected all night damage the battery?
Does leaving the phone on the charger connected all night damage the battery?

With these safeguards in place, it is very difficult for you to cause any needless damage to your phone battery. However, batteries will degrade over time and no one can do anything about it. It's only a matter of how much help you give to this process.

Charging cycles are what affect battery life. The more charge cycles you go through, the more battery deteriorates. This is why it is best to keep your phone charged at 20-80% as much as possible.

Related: Top 5 Ways to Fix iPhone Can't Charge Problem

This is where charging overnight can speed up the process of battery wear and tear over time. Continuing to charge between 99-100% for several hours is kind of like tapping the light switch and turning it off repeatedly. This will not only cause the lamp to catch fire, but it is also not particularly good for the lamp.

This is the question we have to ask when it comes to charging the batteries overnight. What exactly constitutes a "bad" battery? Does your phone temperature rise and start to burn? No, there are safeguards to prevent this - as long as you use the correct equipment. Will it take some life out of the battery? Yes, but it may not be noticeable to you.

Related: How to check battery health on Android

Charge the phone all night without damage

Does leaving the phone on the charger connected all night damage the battery?
Does leaving the phone on the charger connected all night damage the battery?

There are a few things you can do to charge your phone overnight and mitigate some of the downsides. First of all, make sure the device has room to breathe. Overheating is a big concern, so leave room for it and don't cover it with anything.

Another important thing that you can do is to choose the right charging equipment. It is very important to use the chargers provided with the device and those designed specifically for it. In addition, you can consider avoiding “fast charging” during bedtime. Reaching 100% slower speed means less time spent on the 99-100% cycle.

Other than that, you have to accept that batteries can't last forever. Using your phone degrades the battery. There is no dispute over that. There are a few tips you can use to slow this deterioration, but most of us don't have another good time to charge our devices. Charging all our devices overnight is a part of life now.

Well, in today’s article, we discussed a topic of interest to many users and a path of controversy, which is whether charging the phone and leaving it connected all night affects the battery and harms it or not. We hope that the information will be useful and share your experience with the matter, which is the meeting, God willing.

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