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'iPhone 13' predicted to have reverse wireless charging & larger charging coils

Apple's "iPhone 13" may include a larger wireless charging coil than in the iPhone 12, a rumor claims, one that could offer reverse wireless charging as well as faster overall recharging times.

The MagSafe wireless charging system allows up to 15W of power to be delivered to a supporting iPhone, far above the levels of non-MagSafe wireless charging. However, Apple could increase that 15W to higher levels in the next generation of iPhone.

According to sources of Max Weinbach through EverythingApplePro, Apple could use a much larger wireless charging coil in the "iPhone 13." The larger coil will increase the surface area of the region used for wireless charging itself, which provides a number of benefits.

This includes making it easier for the iPhone to manage heat buildup from the component, as well as allowing for higher wattages to be used.

The size of the charging coil may also enable the iPhone to recharge other devices in a reverse wireless charging mode. This could potentially allow an iPhone to recharge products like an AirPods wireless charging case from the back of the iPhone.

In June, Bloomberg sources claimed Apple was keen on bringing wireless charging to the iPad Pro, and could also include "bilateral" wireless charging at the same time. AirPower, Apple's multi-device charging mat, was also seemingly still being worked on.

Apple has also been experimenting with high-output wireless power technology. In 2017, Apple acquired the startup PowerbyProxi, which offered a system that allowed 100 watts of wireless power to be transmitted with a 65mm coil.

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