Huawei Mate 20 Pro has a reverse charge that allows you to charge other Qi devices. However, it seems to be working very slowly.
The editors of the Android Authority tested this option on a smartphone. They charged the Google Pixel 3 with a 15 W wired charger, a Pixel Stand 10 W wireless charger and the Huawei Mate 20 Pro. The results are really poor. The Huawei smartphone charges with a power of about 2.5 W, where at least 5 W was expected. At the same time, Pixel Stand provided an increase in capacity by 1985 mAh, and Mate 20 Pro by only 594 mAh. You can see the chart in the photo below.
So this feature can prove to be useful at times, but slow loading definitely limits its use. In future models, if reverse charging occurs, it should definitely be improved. At this point, however, it is more of a curiosity than something really useful.
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Źródło: Android Authority
