Why Charging Your Phone Every Night Hurts Its Battery
A day spent snapping pictures, checking social media, and catching Pokemon tends to be rough on your smartphone's battery life. Bedtime may seem like a good opportunity to plug in your device in preparation for the next day, but according to The New York Times, making this a nightly habit could end up hurting your phone in the long run.
If you own a smartphone, it’s likely powered by a lithium-ion battery. Most phones are designed to accept currents as fast as possible (to cut down on charging time), but as the current rapidly flows from one side of the battery to the other, it corrodes the battery. While this is fine for a couple of years, it will eventually shorten your battery's lifespan.
One thing smartphone users shouldn't worry about when plugging in overnight is "overcharging." Smartphones know when they’ve reached full capacity and have special built-in chips that prevent them from absorbing any surplus charge.
The 44 percent of smartphone owners who plan to upgrade their devices as soon as possible probably won't own a phone long enough to see the effects of frequent charging. But if you plan to have your iPhone 4 pried from your cold, dead hands, Hatem Zeine—founder of the wireless charging company Ossia—recommends powering up devices with a charger meant for something less powerful (charging an iPad Pro with an iPhone charger, for example). Keeping your battery at a temperature of about 60 to 72°F is another way to squeeze every year of battery life you can get from your device.
[h/t The New York Times]
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