This trick has worked great for years to keep my phone's battery from dying.
Have you ever wondered why your phone's battery dies after a while? In short, one thing stands out: quick charging. This loss of capacity can cut your device's battery life by 20–25% in just one year, so don't ignore or underestimate it. It's the main reason batteries wear out. In two or three years, you might not be able to use your phone for a whole day without having to charge it.
What does it mean for a battery to degrade? In short, it's the loss of a battery's ability to store energy. Stress, repeated charge and discharge cycles, and temperature are among the most influential factors, causing a decrease in battery capacity (mAh) over time.
It's important to understand that battery degradation is unstoppable. Your phone's battery will naturally degrade and lose some of its capacity, but you can control the rate of this degradation, whether it's slow and unnoticeable or rapid and detrimental to your device's daily battery life.
What is the magic trick I use to prevent my phone battery from deteriorating quickly and to keep it in excellent condition for longer? I've already told you. Fast Charging Management.
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The equation is quite simple: only use fast charging when necessary. I realized something a while ago: I used to carry a device in my pocket with an 80W charger, and I would charge it before bed most days. In other words, I rarely needed that charger, maybe once or twice a week at most.
However, even though I didn't need fast charging, I was using it daily, which drained my phone's battery every time I charged it. Consequently, I was shortening its lifespan. I solved the problem with the simplest and cheapest solution I could think of: using a slow charger I had in a drawer.
Here's the trick: when you're charging your phone and don't need it immediately, use the slowest charger you have at home. This charger will fully charge your battery overnight without any problems, and it won't put much strain on the battery cells, thus avoiding the most significant factor in their deterioration.
What wattage is suitable for this charger? A 5-, 10-, or 15-watt charger is appropriate. If you don't have one at home, these are some of the cheapest chargers you can find in stores or on Amazon, so you only need to spend $4 or $5 now to improve your phone's battery life in the future.
And what about fast charging? Don't worry, it's simple. Use it whenever you need it with a fast charger. It's fine to opt for the extra speed and power a couple of times a week when you're in a hurry; the important thing is to keep your phone charging as slowly as possible at night.