The Galaxy Note 9 does not have a built-in feature to share its battery with other devices.
While some Samsung phones have introduced reverse wireless charging, where you can charge other compatible devices by placing them on the back of your phone, this feature was not available on the Galaxy Note 9.
The Note 9's primary focus was on its powerful battery and long-lasting performance. It was designed to provide a robust power source for the device itself, rather than sharing it with other devices.
