The Xiaomi 15 adopts 50W wireless Xiaomi HyperCharge. It also supports reverse wireless charging, which allows your smartphone to act as a wireless charging pad, enabling it to charge other devices.
For your reference, here are the advantages of reverse wireless charging on the Xiaomi 15:
1. Reverse wireless charging allows you to charge devices like wireless earbuds, smartwatches, or even another smartphone without needing a cable or a separate power bank;
2. Instead of carrying multiple chargers or power banks, you can use your phone to charge other devices wirelessly, reducing cable clutter in your bag or pocket;
3. Reverse wireless charging allows your phone to share its battery power with other devices, effectively acting as a power bank.