REVEALED: We’ve all been making a huge mistake when charging our smartphones


Battery life on smartphones is a concern for most people these days.

After all, our phones play a significant role in many aspects of our life, performing many different functions.

The problem that most people encounter is when the device needs charging more and more regularly.

Like most people, you probably think that leaving your phone on charge all night is the best way to ensure it has enough juice to get through the following day.

But this is just about the worse thing you can do if you want to prolong the life of your battery, according to tech expert Simon Jary from

Jary said: “Battery memory effect is about batteries remembering remaining charge if you don’t let them go all the way to zero too often. So, a battery frequently charged from 20% to 80% might ‘forget’ about the 40% that’s left uncharged (0-20% and 80-100%).

“Sounds crazy but that’s sort of true – but only for older nickel-based (NiMH and NiCd) batteries, not the lithium-ion batteries in your phone.

“Lithium-ion (Li-ion) batteries don’t suffer the memory effect so you almost need to do the opposite: charge them often but not all the way throughout the day, and don’t let them drop to zero.”

What is the best method for charging a device?

If your phone uses a Lithium-Ion (Li-ion) battery, the advice is to always keep the charge above 50%. In addition to this, you shouldn’t charge your device to 100% but try and keep it in the 40-80% range as this will help to expand its lifespan.

If charging my battery to 100% a bad thing?

It should be kept to a minimum really, once a month would be ideal – this recalibrates the battery.

What about charging my device overnight?

Don’t do it! As you are advised to only charge your device to 100% once a month, leaving it on charge for 8-10 hours at a time is not a good idea.

Removing your phone from its case whilst charging can also help as it reduces the chances of it overheating.


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