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Expert reveals everyone has been charging their phone wrong – here’s how to do it properly

How you charge your smartphone has a big impact on its battery life.

With phones such a key part of nearly everybody’s daily habits, the find it running low can be infuriating and frustrating.

But experts have detailed how your charging habits have a big impact.

Most people plug their phone in at the end of the day before they go to bed, and leave it to charge up overnight. But, it turns out that might be doing more harm than good, the Mirror reports .

There's a certain science to charging your phone
There’s a certain science to charging your phone

The majority of smartphones, tablets and electronic gadgets run off lithium-ion batteries which contain an anode, a cathode and a chemical electrolyte. When the phone is being used, charge is pushed from the positive cathode through the electrolyte and attracted to the anode before flowing out to the different components of the phone. Once you’re plugged in and charging, this process is reversed.

Cadax , a company that offers devices that test smartphone and other batteries, runs a free educational website called Battery University .

As spotted by BusinessInsider , it offers a host of tips for prolonging the life of your phone:

Charge your phone little and often

Juicing up frequently and in small doses may actually be the best option for your battery’s health, rather than plugging it in for one long overnight charge.

Battery University said as little as 10 per cent or 20 per cent is fine, and added: “Partial charges cause no harm.”

Don’t let your phone run out entirely before you plug it in

Everyone’s been told at some point that leaving your phone to drain completely is ‘good for the battery’ – in fact, this is not the case.

The experts say a ‘deep-discharge’ – where a phone is run down to a fraction of its power or depleted completely – is actually bad for batteries and will wear them down more quickly.

Keep your phone’s battery between 65% and 75%

It turns out there is an optimal level to keep your phone’s power at – almost like an optimal speed to travel in a car for using less fuel.

This is how you should charge your phone to make the battery last longer

Battery University’s team says the sweet spot is between 65 per cent and 75 per cent.

So, you better keep that portable power pack handy.

Never fully charge your battery

If you remember the days when the phone shop told you to charge your Nokia 3310 for 24 hours before using it, this may seem a little backwards. But, modern lithium-ion batteries do not need to be fully charged.

In fact, charging up your phone or tablet to 100 per cent puts a high voltage stress on the batter, which can be bad for it.

You don’t need to remove the charger when it’s full

If you ignore the advice above, the good news it is makes no difference whatsoever how long you leave the charger plugged in once your phone reaches 100 per cent charge.

Battery University points out that charges automatically turn off when a phone hits 100 per cent – so you are not doing any damage by leaving it plugged in.

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