Charging your smartphone overnight DOESN’T harm the battery

It's long been said that leaving your phone on charge overnight damages the battery. But some experts argue that this isn't actually the case.

Kyle Wiens, the head of US-based repair company iFixit, for instance, has insisted that having your phone plugged in at night doesn't diminish the battery.

Speaking to Business Insider, he said the idea that it does is partly based on people's experiences with older technology.

“I think what gives people this feeling is that back in the day some phones or some laptops would go back and forth between 99 per cent and 100 per cent on their battery indicators,” he commented.

“That had more to do with measuring errors of what the software was showing you more than anything else.”

Mr Wiens argued that a battery's life is more strongly affected by how the phone is actually used – in other words, “how much work you're making the battery do”.

He went on to state that if consumers do see their smartphone failing to charge above a certain point or dying out before the charge hits zero, they just need to get a replacement battery.

Battery and charger accessories manufacturer Anker agrees that overnight charging isn't bad for the battery.

A spokesperson said: “In terms of the gradual erosion of battery life, what must be understood is that phone batteries are constantly in a state of decay.

“Sleeping with a phone charging overnight will make no noticeable difference in the process.”

The Anker representative also pointed out that smartphones are, as the name suggests, smart.

This, they said, means every unit has a built-in chip that prevents charging as soon as 100 per cent capacity has been reached.

“Therefore, provided that the phone in question is purchased from a verified and legitimate retailer, there should be no danger in leaving the phone charging overnight,” the spokesperson added.

So there you have it – if anyone tells you that you're doing damage to your phone by leaving it plugged in while you sleep, remember that the experts think differently.

Smart technology is even cleverer than you may think!

Written by Mazuma

Mazuma Mobile is Australia's most trusted mobile phone recycling service.

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