With fast charging, the time needed to revive a mobile is drastically reduced, but with such charging, the useful life of the battery is also reduced. Not dramatically, but capacity is undermined due to increased stress on its components. Do you want to know the different ways to reduce fast charging?

Taking advantage of the fast charge included in current phones is an excellent idea if you need your mobile and have little time to charge it, but reviving it daily with this charge ends up reducing the maximum capacity of the battery at a higher speed

It is not something that is normally noticed in the average life of a smartphone, but it ends up being key to the health of its main component, the battery. And there are a number of ways to reduce fast charging to help reduce degradation.

If you are not going to use your mobile for hours, take advantage of it to charge it slowly

Fast charging has evolved from 10 W to more than 100 W recently launched by various brands, such as Xiaomi, OPPO, and Realme. This increase in recharging power supposes a drastic reduction in times: if before we needed more than an hour and a half to revive a mobile from 0 to 100%, now it takes just over half an hour.

The advantage is remarkable since it can ‘save the life of those who only have a few minutes to plug in the charger: fast charging ensures hours of use with a few minutes in the socket.

Beyond the benefits for the user, it is scientifically proven that fast charging ends up degrading the battery at a faster rate. This makes sense, as by raising the voltage and amperage during the recharging process, the internal components of the battery are under increased stress. This stress gradually reduces the maximum capacity of the component, a constant degradation process that does not have to have a negative effect in the short term.

Since the high charging speed is pointless if you are not going to need the phone for hours (because you recharge it while you work or during the night, for example), limiting the fast charge will help its battery degrade to a lesser extent. And there are different ways.

  • Connect the mobile to the USB of the computer . If you work for hours in front of the computer, you can take advantage of it to charge your mobile by connecting it to a free USB. This ensures slow charging (2.5 W is most common). You can even keep the USB port activated if you turn off your computer .
  • Limit fast charging from your mobile settings. There are brands that allow you to limit fast charging from the battery settings. This is the case of many Samsung mobiles, for example: access their settings and deactivate fast charging when you don’t want to use it.
  • Use a charger that is not fast . A fast charger negotiates the delivery of cargo with the mobile phone to send you the one you need the most at any time. Therefore, if you use a charger that does not meet the phone’s requirements, it will end up delivering the minimum charge, normally 5 W. Remember: always use a good charger.
  • Change the USB cable. For fast charging to exist, the charger and the phone must be understood so that the limiters adapt the charge flow to the requirements, but the cable is also important. Generally, you can limit fast charging by swapping the original cable for another USB: the charger will automatically limit the charge, usually to a minimum. Of course: as in the previous tip, always use a quality USB cable.
  • Use wireless charging if you have it. The Qi charging is a standard that increasingly have more phones, at least in the higher range. This wireless charging usually delivers a lower flow of volts and amps (the usual is between 5-10 W, although the Qi standard reaches 15 W ), so it will always be slower than a fast charger (at least while it is not use 65W wireless loads, such as OPPO ). Putting the mobile to charge on a cordless base usually lengthens the useful life of the battery , even though it may suffer a greater heat.

Fast charging is not bad in itself for the phone as it increases user comfort, a fact that ends up resulting in a positive experience. And, as batteries are getting bigger and bigger, noticing a decrease in capacity caused by component stress can take more than two or three years, an average that is usually higher than usual for a phone. As with everything, it is convenient to assess the pros and cons to make the best use of our phones.

There is no reason to stop using fast charging as it is safe for the phone and allows you to use it for several hours with only a few minutes in the plug

On the other hand, always using fast charging is not necessary since there will be times when the phone will not be used for hours. So why not take it into account and charge it slower during such times? It is a small gesture that helps to extend the life of the battery.


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