iPhone reverse charging patent for cascading iPhones

A new Apple patent application for reverse iPhone charging has been published today, fueling speculation about when the Cupertino company will finally introduce wireless power sharing.

The app describes another possible implementation of this technology: placing two iPhones in series to enable one to charge the other…


Reverse charging – more commonly known as dual charging – is a form of wireless charging where one device can charge another. At the top of most people’s wish list here is for the iPhone to be able to charge their AirPods or Apple Watch by placing them on the back of the phone.

Another example – also described in Apple patents – is the ability of the MacBook and iPad to wirelessly charge the iPhone and Apple Watch.

Reverse charging has been available in some Android smartphones for several years now, and there have been rumors for a long time that Apple will add the feature to iPhones, dating back to at least the iPhone 11. and 14 – but the advantage has not yet been realized.

Apple’s failure to implement the feature, after ditching AirPower, led to a tech reviewer Brandon Lee To sarcasm: “It seems like all Apple can charge is your credit card.”

Latest patent application for iPhone reverse charging

Obviously the apple Spotted application today.

The Apple patent covers a wireless power system that includes electronic devices such as wrist watches, cell phones, tablet computers, laptop computers, removable battery cases, electronic device accessories, wireless charging mats, wireless charging tablets, and/or other electronic equipment. These electronic devices contain wireless power circuits.

For example, an electronic device may have a wireless power coil. Some devices use wireless power coils to send wireless power signals. Other devices use wireless power coils to receive transmitted wireless power signals.

If desired, some devices in the wireless power system may have the ability to transmit radio signals and receive radio signals. A cell phone or other portable electronic device, for example, may contain a coil that can be used to receive wireless power signals from a charging disk or other wireless transmitter and may also be used to transmit wireless power to another wireless power device (for example, another cellular phone ).

Reverse charging should ease “battery anxiety” for many, knowing that if one Apple device gets low on power, they can charge it from another.

The influx of Apple patents strongly suggests that the company plans to introduce the feature – the big question is when?

Photo: Daniel Romero/Unsplash

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