The problem was so bad that one Google engineer started a one-man cable-testing program.Īuthenticated devices will also avoid the problem of USB devices that are badly designed or deliberately created by attackers to fry devices by delivering the wrong power, extract data or stalk someone by hiding a SIM card in the cable connector.
That's part of an attempt by the USB Implementer's Forum to deal with the many unofficial, uncertified and sometimes incompatible or even dangerous USB-C cables that started flooding the market a couple of years ago. When picking a charger to use with it, look for USB-IF certification (which may or may not be down as a logo on the charger), and in the longer term, USB Type-C Authentication, which will let devices check that the cable and charger you're using are certified and not malicious. The Infinity is a pricier cable, but the interchangeable tips make it flexible. Microsoft suggests sticking with the Surface Connect power supply that comes in the box that's not as important for the Surface Go or Pro 7, Pro X and Surface laptop, where 45W and 60W PD chargers work well with the right cable, but for the high-end Surface Book 2, think of USB-C as more of an emergency option.
SEE: How I upgraded my USB-C power banks and chargers to make them easier and more convenient to use Apple doesn't claim that it's a PD charger, just USB-C, but we were surprised that it didn't work when the older, 29W charger did. But the newer 30W Air charger couldn't power the Surface Go, the Pro X or the Surface Book 2 even with the official Apple cable, or with the Infinity cable. The older, 29W Air charger charged all our PD-capable devices whether we used the Apple cable or the Infinity cable.
The Infinity cable could charge the Surface Go, the Surface Pro X, the MacBook Pro and the iPad Pro quite happily, when it was plugged into the Anker Power Port Atom III charger, the charger that came with the MacBook Pro, the iPad Pro charger or one of the two MacBook Air chargers we used. To try that out, we sat down with the Infinity cable, an official Apple cable, several USB-C chargers from Apple and Anker and a pile of devices - a Surface Go, a Surface Pro X, a Surface Book 2 (Core i7 and NVidia GPU), a 15-inch MacBook Pro and an iPad Pro. Infinity Cable: different tips attach via strong magnets, allowing one cable to support USB-A, USB-C (including Power Delivery), Lightning and Micro-USB.
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