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Why we shouldn’t charge our cellphone at night

battery charging device display

The instructions for how to charge our cell phone properly are known, but we rarely follow the letter, as this is not an easy task. However, experts insist: don’t overcharge your cellphone, make sure you disconnect it from the charger, after it reaches 100%, wait for it to charge, after it reaches almost 0%, don’t let it charge overnight .

What are the reasons, however, that we should largely adhere to this… protocol? Because mobile phones contain rechargeable lithium-ion batteries, which charge faster than traditional rechargeable batteries. But, as we all know, charging on smartphones doesn’t last long. It must be a very… quiet day so that we don’t have all the ‘zoom’ by the end.

This is because the batteries in our cell phones are relatively small and may not have such large capacity. However, the important thing about battery life is how we use our devices. Constantly checking email, sending messages to people, listening to music, watching videos, using apps, playing games. All of these activities cause the batteries to deplete often earlier than expected.

That’s why most of us charge our phone every day. This usually happens at night when we fall asleep. And we may find it ‘100% fresh’, but that doesn’t mean we have to plug it in all night. Quite simply, because it only takes two (about) hours to reach the absolute level of charge.

black android smartphone on table

Of course, the battery can’t be overcharged, so there’s no worry about that. Our phone stops power from charging as soon as it reaches 100%, according to Cadex Electronics Communications Manager John Branchow. “Modern devices will stop charging properly with the proper voltage,” the expert says.

But he warns that “although a charger switches off the charging, when your phone reaches 100%, the charger will continue to charge at the end of the night.” Such a … charge load, is one that tries to keep the … balance at 100%, to compensate for the small amount of charge that our phone “drives” by itself.

So, our phone… constantly recedes between a full charge and just below it. These “survival loads” can lead to higher temperatures in our apparatus, which can reduce capacity over time. In other words, the battery capacity is reduced and thus, the battery life is reduced.

So, don’t charge your cellphone battery in the night and go to sleep, unless it’s set up … watchtower, for when it reaches 100%.

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