https://wccftech.com/iphone-13-series-to-feature-reverse-wireless-charging-all-thanks-to-slightly-larger-coils/

Apple is expected to launch the iPhone 13 in the coming months and there are a lot of high hopes from the device. The device will potentially feature a higher refresh rate and a smaller notch. While the overall design and form-factor of the device are rumored to stay the same, there is a boatload of other additions that are expected to be part of the mix. According to the latest, the iPhone 13 will potentially feature reverse wireless charging all thanks to the "slightly bigger" wireless charging coil.

The slightly bigger wireless charging coil will improve heat management and higher wattage. The news is based on a rumor from Max Weinbach via EverythingApplePro. The rumored larger wireless coil in the upcoming iPhone 13 models will increase the surface area wireless charging process. It was previously reported by Max Weinbach that this year's iPhone models will feature stronger MagSafe magnets.