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The Surprising Reason Why Fast Chargers Are ‘Killing’ Your iPhone Battery Life: ‘Absolute Worst Thing’

November 24, 2024 by Lisa Cupido
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It isn’t always easy to practice patience when waiting for your iPhone to finish charging so that you can use it. Several fast chargers promise to get the job done in a fraction of the time as your regular charger, but one thing this isn’t is a miracle solution to all of your charging issues.

@scooch

This might be a *hot* take… get it #useful #iphone #phone #tech #iphonetipsandtricks #phonetips #apple #batterylife

♬ original sound – Scooch

In fact, one tech expert says this is the “absolute worst” thing you can do for your iPhone’s battery and it will ruin your battery life.

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20-watt-charger-block

There’s a reason Apple gave out really tiny charging blocks when they first issued the Apple phone. The past charges only charged at 5 watts, which might be too slow for some people, but there’s a reason not to discount slower chargers. Apple’s current chargers charge at 20 watts, which is much faster, but this comes at a cost. When you use a higher wattage charger, it’s going to charge your phone faster, but it’s also going to make your phone heat up. This includes heating up your battery.

macro-two-iphone-chargers

The iPhone’s lithium-ion battery is extremely sensitive to temperature. It’s recommended that you only ever charge your device in room temperatures, for example, to minimize the impact extreme heat or cold can have on your battery. If you are the kind of iPhone user who is only charging your phone once a day, sticking with a slower 5-watt charger will still get the job done (especially if you charge it for hours at a time, such as overnight) and won’t place excess stress on your battery.

Author:

Lisa Fogarty is a lifestyle writer and reporter based in New York who covers health, wellness, relationships, sex, beauty, and parenting.

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