Mobile phone warning: Expert explains why you’ve been charging your phone wrong all this time

A phone charges on a wireless charger

Phone overheating can be caused by wireless chargers, clogged ports and direct sunlight

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GB News Reporter

By GB News Reporter


Published: 24/04/2023

- 14:01

Simple changes could help boost battery life

A phone repair expert has warned against leaving your phone charging overnight and other common mistakes that drain phone batteries.

Kewin Charron, senior lead refurbishment operations manager at Back Market, told the DailyMail.com: “Leaving your phone plugged in, or letting it die, rapidly reduces the lifespan of your battery.


“Instead, you should aim to keep your charge level between 20-80 per cent.”

The handset handyman also explained how to turn on optimised charging: “For iPhone with iOS 13 and beyond, go into your iPhone Settings > Battery > Battery Health & Charging, and select Optimised Battery Charging.

Kewin Charron, senior lead refurbishment operations manager at Back Market

Kewin Charron, senior lead refurbishment operations manager at Back Market

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“This setting will automatically reduce the wear on your battery, improving its lifespan.”

Apple states that the setting uses machine learning to personalise your level of charge to your daily routine.

For those with an Android, Charron said: “By going into your Settings, and then selecting Battery > Battery Usage, you can see your battery health.

“Then, under Manage Battery Usage, tap Optimised to automatically help extend the longevity of your battery.”

Charron identified a clogged charging port as another refuelling faux pas: “Crumbs and dust are the enemies of your mobile devices and your battery life.

“Dust accumulates in the charging ports of your phone, causing the device to overheat or stop charging.

“Cleaning your phone safely can ensure your battery isn't overheating, which can cause long-term damage.”

For a thorough clean, Charron recommended a toothpick and damp cloth.

A communal handset charging station.

Charron says letting a phone die or fully charge can harm long-term battery health

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On temperature, Charron warned: “It’s best to keep your phone away from extreme temperatures.

“Below 0°C is too cold, whilst anything over 35°C is too hot, and both can damage your battery life.

“So, keeping your phone out of direct sunlight for long periods of time and limiting use in hot cars or trains is really important.”

Should you find yourself with an overheating handset, Charron recommends placing the phone in a cool, moisture-free environment, lowering the brightness, avoiding wireless charging and turning on Airplane Mode.

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