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The universal compatibility app.
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Is the 12VHPWR connector safe for RTX 4090? Is a 500W PSU enough for an RTX 4070? Is a 65W USB-C charger enough for a MacBook Pro? Is an 850W power supply enough for an RTX 4090? Do AirPods work with Android devices? Do AirPods Pro work with a Samsung Smart TV?

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Can I charge a MacBook with an iPhone charger?

๐ŸŸก Yes, but...

Technically yes, but it will be extremely slow. A 20W charger might take 10+ hours for a full charge.

โš ๏ธ Low Confidence
๐Ÿ“Š Why this confidence level?
  • USB-C Power Delivery allows any compliant charger to work.
  • However, MacBooks need 30-140W depending on the model.
  • An iPhone charger (5-20W) will trickle-charge at best, and some MacBooks won't charge at all while in use.
๐Ÿ”ฅ
Tipping Point
Limited functionality โ€“ check specifics before relying on this.
โœ“
Safe Alternative
Check manufacturer specifications or use recommended accessories.

Sources

  • Find the right power adapter for your Mac notebook
  • Fast Charge your iPhone

Related Questions

Is the 12VHPWR connector safe for RTX 4090? Is a 500W PSU enough for an RTX 4070? Is a 65W USB-C charger enough for a MacBook Pro?

Last checked: Feb 1, 2026

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Can I charge a MacBook with an iPhone charger?

๐ŸŸก Technically yes, but it will be extremely slow. A 20W charger might take 10+ hours for a full charge.

snapcheck.app/check/macbook-iphone-charger

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