It’s a scientific fact that Li-ion batteries degrade a lot faster if they’re regularly charged up to 100% and then discharged to 0%. These batteries have limited charging cycles. And when those cycles have been used up, the battery can’t hold charge anymore.

A Li-ion battery powers your Android device, so the same rule should apply. And it does, but to an extent. The caveat is that for smaller devices like phones and tablets, it doesn’t make a huge difference. Your phone burns through charging cycles almost daily, as opposed to, say, an EV which takes roughly a week.

Still, if you plan on keeping your phone for five years or more, I recommend sticking to the 80-20 rule. Over time, the gains add up. It’ll keep the battery healthier for longer and you won’t have to replace it in just two or three years down the line.

Battery management in Android has come a long way with adaptive charging and battery saver modes. But it’s still missing charging notification alerts. Third-party apps can work like a charm though, so that’s what we’ll be using.

My phone’s battery used to be in the red all the time because I would forget to plug it in. But ever since I set up custom alerts, my phone no longer dies on me in the middle of the day. If you struggle with that kind of battery anxiety, this guide is for you too.

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