Can I use a 20W adapter to charge my iPhone 7 Plus?
Can using 20 W adapter for my iPhone 7 Plus will damage its battery health
[Re-Titled by Moderator]
iPhone 7 Plus, iOS 15
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The iPhone 7 Plus supports up to 5W charging. As long as the charger is genuine, 20W chargers can output a charging power of 5W to your iPhone. So, 20W and 5W chargers are not damaging to the battery.