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Tuesday, September 14, 2021



Why Charging Your Phone Overnight Is Bad

http://Charging your smartphone overnight can damage the battery and shorten its lifespan. Here's everything you need to know.

How do you increase the charge on your smartphone battery? You might think charging it while you're asleep to regularly hit 100 percent is beneficial, but that actually harms your battery and shortens its life.

Here's the truth about maintaining smartphone batteries—and why you shouldn't charge it overnight.

How Is Battery Life Expectancy Determined?

You want your tech to be usable for as long as possible; warranties are invalid if you fiddle with your device. Getting the most out of your battery is increasingly important as most people are uncomfortable changing the default battery.

Rechargeable batteries slowly lose capacity over time (even if you don't use them). You'll notice a capacity drop after the first year of regular use. For many, getting through a whole day on a single charge is impossible beyond the two-year mark.

Manufacturers specify the life expectancy of smartphones through "battery charge cycles." A charge cycle is defined as charging the battery from 0 to 100 percent and then discharged back down to 0 percent. The number of expected charge cycles will tell you how many full cycles the battery can handle before it noticeably starts to lose capacity.

Lithium-Ion (Li-Ion) batteries are used in the majority of rechargeable tech. You can find some form of Lithium-Ion batteries in smartphones, vaporizers, laptops, Teslas, and even chainsaws.


The most popular Li-Ion battery is the 18650. This can take between 300 and 500 full charge cycles before being reduced to roughly 75 percent capacity. That's when major flaws start developing.

Why Do Rechargeable Lithium-Ion Degrade?

Smartphones and tablets use a variation of the Li-Ion battery called Lithium-Ion Polymer (Li-Poly). This version is safer, smaller, and charges faster. Otherwise, the same lifespan rules apply to Li-Poly as with any Li-Ion battery.

Your battery degrades fastest when you regularly charge it past 80 percent and let it drop below 20 percent. Your device operates best at 50 percent charge.

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