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ArhamR123 Author

Level 1

4 points

18 w charger

Can I charge my iPhone 7 with 18 watt charger? It’ll effect my battery health or not?

Posted on May 8, 2020 6:47 AM

Top-ranking reply

Tesserax

Level 10

152,254 points

Posted on May 8, 2020 7:13 AM

If by "18w charger" you are referring to the official Apple USB-C power adapter, then not only will it charge your phone, but it has a built-in feature to prevent over-charging it. However, it will NOT "fast charge" an iPhone 7. As you are probably already aware, the iPhone 7 came with a 5w power adapter.

Ref: About Apple USB power adapters - Apple Support

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