To charge the charging bank in reverse, you need to see whether your mobile phone and the charging bank support wireless charging, or connect it to the charging bank with a data cable, but the efficiency will be relatively low, and it is not recommended to use it normally.
Wireless reverse charging, that is, the mobile phone as a wireless charging base, to support wireless charging devices (such as: watches, bracelets, mobile phones, etc.) to charge. The use method and precautions of wireless reverse charging are as follows
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The receiving device must support wireless charging
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Huawei equipment includes: Mate40 RS, Mate40 Pro, Mate40 Pro, Honor 30 pro, P40 Pro, P40 Pro, Mate30 RS, Mate30 Pro, Mate30 Pro, Mate20 Pro, Mate20 RS, Mate RS, Honor V30 Pro, Mate Pad Pro, Huawei FreeBuds 2, Honor FlyPods Pro headphone case, Huawei Freebuds 3 series headphone case (wireless charger) and Freebuds Pro headphone case (wireless charger), etc.
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Third-party devices must support the QI wireless charging protocol (such as iPhone 8, iPhone X, iPhone XS, iPhone XS Max, Samsung S9, Xiaomi mix 2S, etc.). You are advised to consult the device manufacturer for details.
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How to do wireless reverse charging
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Open wireless reverse charging Settings: the phone enters Settings > Battery, turn on the wireless reverse charge switch.
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Do not enable the wireless reverse charging function on the charged device. If reverse charging is enabled on two mobile phones at the same time, one mobile phone will randomly switch to the receiving end, which may cause abnormal charging.
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After the wireless reverse charging function of the mobile phone is enabled, do not place the mobile phone directly on the metal material.
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Keep the receiving device turned on
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Place the receiving device in the center of the back of the phone, and do not place metal materials such as bus passes and coins between the receiving device and the phone.
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tips
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The charging power of wireless reverse charging is smaller than that of the original wired charger, and the speed of charging large-capacity devices will be slower, which is more suitable for emergency use in emergency situations.
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When the phone (without the charger) itself is less than 20%, the phone will automatically turn off the wireless reverse charging function to ensure the normal work of the phone itself and a good charging experience
To charge the charging bank in reverse, you need to see whether your mobile phone and the charging bank support wireless charging, or connect it to the charging bank with a data cable, but the efficiency will be relatively low, and it is not recommended to use it normally.