Here’s the truth behind the biggest (and dumbest) battery myths

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Here’s the truth behind the biggest (and dumbest) battery myths
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Did you know that overcharging your smartphone battery is actually a myth? (From 2021)

At high temperatures, these liquid electrolytes start to break down, causing the battery to degrade over the course of just a few hundred charge cycles. This is a major issue for electric vehicle batteries, which often spend much of their day sitting out in bright sunlight. For your smartphone, however, as long as you usually keep it at around room temperature you’re doing okay.

It’s possible that your phone might be a little slower in cold temperatures, and that’s because those lithium ions move slightly slower which means the battery might not be able to provide as much power to components if it’s really cold outside. The change is generally only slight, however, and isn’t linked to any permanent damage to the battery.With phone chargers and other ‘dumb’ cables that just have a wire, they probably aren’t drawing any energy at all if there’s no device plugged in.

So really, if you were super-keen on keeping your battery living as long as possible, you should keep its charge between 20 and 80 per cent. This means that it spends as little time as possible with lots of lithium ions crammed into either layer, a situation which causes the layers to expand, putting physical strain on them. “But if you did that you’d only be getting about half as much charge every time you used it,” Griffith says. Maybe not, then.This one is closely linked to the above myth.

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