A $ 49 30 W power adapter (formerly 29 W) is often used as a recommendation for fast charging an iPhone or iPad using a USB-C to Lightning cable. But what if you already have a high-performance USB-C charger for MacBook Pro? There are iPhone and iPad that can charge fast with your company's notebook charger.
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In particular, fast charging provides about 50% battery in 30 minutes as Jeff previously proved in the test. However, it is $ 70 to buy a new USB-C to Lightning cable and an Apple compatible charging block.
However, the latest iPhone and iPad also works with the USB notebook's USB-C charger, that is, the 87W model. With that in mind, for MacBook Pro owners, $ 20 for fast charge may be more attractive.
Although it may seem dangerous at the beginning, it is safe to use Apple's USB-C charger because iPhone and iPad determine the power supply of the charger, not the charger. Apple is doing its own testing over the full range of USB-C power adapter.
I tested all of this with 87W USB-C power adapter, 12W standard iPad USB adapter, Aukey's third party charger. My iPhone X consistently pulled about 6 W from each charger.
NOTE: Depending on the current capacity of the battery, the device draws a different level of power. For example, a 10% battery will consume more power than an 80% battery.
Apple has updated its support document this summer to show that the next iOS device is compatible with 29W, 30W, 61W, and 87W adapters.
- iPhone X
- iPhone 8
- iPhone 8 Plus
- iPad Pro 12.9 inches (2 generations)
- iPad Pro 12.9 inch
- iPad Pro 10.5 inch
In another document, Apple uses the USB-C to Lightning cable, "equivalent third-party USB-C power adapter that supports USB Power …