Older phones will use a USB-C-to-Lightning cable, while the iPhone 15 series will have USB-C at both ends. It’s important to consider the amount of wattage a charger will provide to your device.

The Slow Charger state ... inch MacBook Pro, the iPhone will simply charge at the fastest possible speed it supports. You can confirm that you are charging at faster wattage speeds by leaving ...

and charge the iPhone (Output charger). Some power banks can charge a phone faster if you connect a cable, and we have highlighted those below. The higher the wattage, the faster the charging ...