Your Pixel's 80% charge limit has a hidden power user benefit. Here's how to use it

I have a bad habit of using my phone while it’s charging. Most of the time, you’ll find me playing Sudoku, my favorite game for years. I know it’s probably better to just leave the phone alone and let it charge, but that rarely happens.

And I’m sure I’m not the only one. Maybe you’re in the middle of a game, replying to work messages, or just need to use it for something important while it’s plugged in. The problem is that charging already generates heat, and using the phone at the same time can add even more of it — something your battery definitely doesn’t appreciate in the long run.

Thankfully, Pixel phones have a pretty clever feature for exactly this situation. It can power the phone without constantly charging the battery, so you can keep using it while reducing extra heat and stress. What surprised me more is that this isn’t even a new Pixel feature. It has been around for roughly two years, but it’s incredibly easy to miss. Here’s how it works and how you can turn it on.

How to make your Pixel stop charging at 80%

The feature I’m talking about is called Limit to 80%, and turning it on takes less than a minute:

1. Open the Settings app on your Pixel.
2. Head to Battery and Charging.
3. Tap Charging Optimization.
4. Turn on Use Charging Optimization.
5. You’ll now see two options: Adaptive Charging and Limit to 80%.
6. Select Limit to 80%, and you’re good to go.

As the name suggests, your Pixel will generally stop charging once the battery reaches 80%, which can help reduce battery wear over time. Your phone may still occasionally charge all the way to 100%, though, so it can keep its battery capacity estimates accurate.

That last bit actually confused me when I first tried the feature on my Pixel 11 and Pixel 11 Pro XL. I turned it on, plugged in the Pixel 11, and later came back to find it sitting at 100%. The same thing happened with the 11 Pro XL, so I assumed I was either doing something wrong or the feature wasn’t working.

After digging around and coming across a popular Reddit thread discussing the same thing, it started to make sense. Your Pixel can still charge to 100% even with the 80% limit enabled, particularly when it needs to recalibrate its battery capacity estimates.

In my case, once I used the phone normally and went through the second charging cycle, it started limiting the battery at 80% as expected. So, if you’ve just turned the feature on and your Pixel happily cruises past 80% anyway, don’t panic. Give it another charging cycle or two before assuming something is wrong.

Why bypass charging is such a powerful feature

So, what actually happens when your Pixel reaches 80%? Say I plug in my Pixel 11 at 6%. It charges normally until it reaches 80%, then stops charging. If I keep the cable connected, power can go directly towards keeping the phone running instead. So, I can keep scrolling or do pretty much anything else while the battery stays at 80%. You can even see this in some battery-monitoring apps (I use AccuBattery), where the Pixel shows it’s plugged into a power source but the battery itself is “not charging.”

That’s essentially bypass charging, although there is one thing you should know. You can’t turn it on whenever you want. If I plug in my Pixel at 40%, for example, it will still charge the battery until it reaches 80%. Only then does the bypass part kick in.

I wanted to see this happening for myself, so I used my Baseus PicoGo Pro 100W charger, which has a display showing how much power the phone is drawing. I plugged in my Pixel 11 at around 6%, and it started at roughly 26W. As the battery filled, that number gradually dropped, reaching around 5W by the time I hit 75%. Once the Pixel reached 80%, things changed. With the screen off and the phone sitting idle, I saw the power draw drop to around 1W. I picked it up and started scrolling, and it jumped to roughly 2W. Put the phone down, and it dropped again. Meanwhile, the battery stayed at 80% the entire time.

That was the easiest way for me to understand what was happening. Instead of continuing to charge the battery, the Pixel was drawing the small amount of power it needed to keep running. I could even watch the wattage fluctuate depending on what I was doing on the phone.

I noticed another difference almost immediately: my Pixel wasn’t getting hot anymore. Normally, using the phone while it’s charging makes it noticeably warm. Once it reached 80%, though, I could continue using it without that charging heat building up. Considering how often I use my phone while it’s plugged in, this is probably the biggest reason I’ll keep the feature enabled.

A couple of things to keep in mind. I couldn’t get the same bypass behavior while charging wirelessly. The 80% limit still works, but the phone can periodically top up the battery instead of bypassing it the same way. Wired bypass charging, on the other hand, worked even when I plugged my Pixel into a power bank.

And, of course, there’s the obvious trade-off: whenever I unplug my Pixel, I’m starting with 80% rather than a completely full battery. I’m fine with that on most days, though I’d still love a dedicated bypass charging option for gaming. If I’m playing something demanding with 50% left, it would be nice to plug in and power the phone without first charging the battery to 80%.

Google isn’t the first to offer something like this, either. Bypass charging has been a staple on gaming phones such as the ASUS ROG Phone series for years. But you don’t need to be gaming for hours to benefit from it. Sometimes, you’re just someone like me who refuses to put their phone down even when it’s plugged in. And that’s why I’m keeping the 80% limit turned on. Besides, my Sudoku addiction isn’t going anywhere. At least now, my battery doesn’t have to suffer for it.