Hide the truth: how to charge your smartphone

By Nik735 | nik168 | 3 Aug 2019


Batteries for smartphones can not live forever, but some user habits significantly shorten their life, such as night charging. At the same time, manufacturers of gadgets do not give special recommendations on this matter. Why Apple and Google hide important information from users and how to charge your smartphone

Experts in the field of mobile technology have long warned that in reducing the life expectancy of batteries inside smartphones to blame the users themselves, or rather some of their habits. In particular, they talk about the dangers of night charging when the device is charged at midnight, and the second half holds a charge of 100%.

If you repeat this action regularly, the lithium-ion batteries will serve the user much less, says Dominique Schulte, managing Director of the German company BatterieIngenieure, specializing in battery technology.

The fact is that lithium-ion batteries, which are widespread in modern consumer electronics, wear out over time and have a limited service life. Thus, over time, they begin to hold the charge worse.

However, leading smartphone manufacturers do not consider this a problem and do not warn users that excessive charging harms the device, says Schulte.

He asked several vendors what they thought about night charging and keeping 100% charge for a long time. According to the researcher, most manufacturers offered him to read about it on their own on the official websites in the relevant sections. It turned out that none of them pays any attention to this issue — neither on the websites nor in the instructions to the gadgets does not say that night charging harms the device.


The Apple website mentions night charging, but its benefits or harm are not indicated.

But the representative of Google called the fear of night charging "old-fashioned phobia." According to the product-Menger of Ronald Ho, referred to by Business Insider, stories about the harmfulness of too frequent recharging are "outdated", as modern technologies present in the devices optimize the battery charge on their own.

However, both Dominic Schulte and smartphone manufacturers agree that if a smartphone is left unused for a long time, its battery should keep the charge in a certain range — preferably between 30% and 50%.

It is believed that under such conditions the battery wears out much more slowly. This is stated on the Samsung website and on the Apple website — vendors recommend to keep unused devices half charged.

Thus, this indirectly confirms the idea mentioned earlier — leaving the batteries charged to 100% for a long time in the electrical network can have a negative impact on their service life.

Similar recommendations are given by the site Battery University, which released a whole instruction on charging lithium-ion batteries. It is reported that when discharging to zero and charging to 100%, such a battery will withstand only 500 charging cycles, but when discharging-charging by 50%, the service life will grow to one and a half thousand cycles.


Also, experts advise not to charge the gadget to the maximum, and to feed it gradually during the day. In addition, it is not recommended to charge the phone at extreme temperatures — both too high and too low.

Why do third-party experts give advice on the operation of the gadget to consumers, and smartphone manufacturers pretend that it does not concern them?

Probably, it's a kind of conspiracy — because the rapidly discharging gadget becomes one of the main reasons for buying a new one, which positively affects the sales of the company.

At the end of 2017, a major scandal at Apple was revealed — she had to admit that for a couple of years she deliberately slowed down the old iPhone models. Processor performance was deliberately reduced by code in the iOS operating system, which led to the "slowdown" of the device. Developer John Poole, who was one of the first to notice non-standard indicators, pointed out in his study that the slow operation of the iPhone often forces users to buy a new gadget instead of changing the battery. As a result, devices whose potential has not yet been exhausted are sent to the scrap.

If we recall this unprecedented case for Apple, for which the company had to make a public apology almost for the first time in history, the version of the conspiracy with batteries does not seem too implausible.

"There are so many features of battery production and their further work in phones that one can only dream of some standard recommendations. Besides it is hard on the battery life can affect the hardware or phone»

Research and practice with mobile devices show that there is no exact answer to the question "is it right to charge the phone all night?". However, it is known that a complete discharge of the phone adversely affects the battery

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