You need a mobile phone with wireless reverse charging function to be able to take Xiaomi 10s wireless reverse charging as an example:
1, Open the phone Settings, tap battery and performance.
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2. Click the battery.
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3. Turn on wireless reverse charging.
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4. Finally, you can charge the two phones back to back.
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1. Turn on your phone 【 Settings 】
2. Click [Battery]
3. Turn on 【 Wireless Reverse charging 】
4. When prompted, click [know]
Mobile phone wireless charging technology is completely without the use of wires, the use of magnets for mobile phone charging technology. Mobile phone wireless charging technology, derived from wireless power transmission technology, uses magnetic resonance to transfer charge in the air between the charger and the mobile phone, coil and capacitor form resonance between the charger and the mobile phone, to achieve efficient transmission of electric energy technology.