Reverse Wireless Charging: What It Is and How to Use It on Your Phone

Wireless charging is already a popular feature in premium smartphones, some are now starting to offer reverse wireless charging—or Wireless PowerShare on Samsung Galaxy phones. This handy feature makes it easy to recharge a friend’s phone (including iPhones), a smartwatch, or in-ear earbuds. Learn how to use it on Google, OnePlus, Samsung, and Xiaomi phones.

In short, the smartphone will use its battery charge to recharge the other device, useful when you don’t have a charger or wall socket nearby. The donor phone needs to be placed with the display down and the receiving device placed on top of it, like in the picture above.

Reverse charging basics

Besides reverse wireless charging, there is the traditional wired option, available on many phones, especially those using USB-C connectors—yes, including the newer iPhones. Reverse wireless, however, makes the phone work like a standard Qi charger, usually at a low-power output and lower efficiency, so don’t expect to recharge the other device fully.

The feature was popularized by Samsung, who used its Wireless PowerShare as a way to recharge its Galaxy earbuds and smartwatches. And now, Android flagships with wireless charging usually also offer the reverse wireless option. As of publishing this how-to, Apple still doesn’t offer the wireless option between devices.

How to use reverse wireless charging on Google Pixel phones

Google calls the reverse wireless charging option on its phones Battery Share. The option can be enabled both in the Quick Settings menu or in the Settings app by following these steps:

  1. Open the Settings app.
  2. Select the Battery option.
  3. Choose Battery Share.
  4. Enable the Use Battery Share option.
Screenshots showing how to enable Battery Share on Pixel phones
Stock Android calls its reverse wireless feature “Battery Share”. / © nextpit

You can set a limit on how much power your Pixel phone can donate to the other device to avoid running out of battery, and we recommend setting the option to a higher value than the default 10%.

How to use Wireless PowerShare on Samsung Galaxy phones

On Samsung flagships, the steps are similar to the ones on Pixel phones:

  1. Open the Settings app.
  2. Select Battery.
  3. Choose Wireless power sharing.
  4. Turn the option On.
Screenshots showing how to enable Wireless Power Share on Galaxy phones
Samsung’s default limits are more reasonable than Google’s. / © nextpit

How to use reverse wireless charging on Xiaomi phones

Xiaomi’s flagships are now also offering reverse wireless charging, but enabling it on MIUI requires one extra step when compared to other Android skins:

  1. Open the Settings app.
  2. Select the Battery field.
  3. Open the Battery tab.
  4. Choose Reverse wireless charging.
  5. Activate Reverse wireless charging.
Screenshots showing how to enable reverse wireless charging on Xiaomi phones
Xiaomi’s option for reverse wireless charging is slightly hidden in the settings. / © nextpit

Enable reverse wireless charging on OnePlus’ OxygenOS

On OxygenOS (and some ColorOS versions), the steps for reverse wireless charging are these:

  1. Open the Settings app.
  2. Select Battery.
  3. Tap on Reverse wireless charging.
  4. Activate Reverse wireless charging.
Screenshots show how to activate Reverse Wireless Charging
Enabling or disabling reverse wireless charging on a OnePlus smartphone is straightforward. / © nextpit

To disable the option, just repeat the steps above, according to the phone you are using.

Have you used this feature? Share your tips and suggestions to avoid running out of battery, and solutions on how to keep the devices properly aligned when charging wirelessly. 

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