Reply to post: Re: Instant Fail

Huawei Mate 10 Pro: The unfashionable estate car wants to go to town

Lysenko

Re: Instant Fail

Yes. When using a Huawei charger the phone can negotiate the charging voltage over the USB data lines thus nearly doubling the power transfer from 10W (5Vx2A) to 18W (9Vx2A). A conventional charger (or data cable) won't respond to the negotiation sequence so charging will proceed at 5V as normal. The same applies if you plug in a wireless charging dongle.

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