(credit: Andrew Cunningham)
One particularly conscientious Google engineer, Benson Leung, is currently on an unusual mission: he's slowly working his way through a bunch of USB Type C cables and adaptors stocked by Amazon, to check whether they are actually up-to-spec and capable of charging his Chromebook Pixel.
First things first: of the ten USB Type C products that Leung has reviewed, only three of them were fully specs-compliant and capable of charging his Pixel. The three good cables (Belkin, iOrange-E, Frieq) were invariably more expensive (about £15/$20) than the seven duff ones (£6/$10). Obviously there may be some cheap cables that do fulfil the full USB Type C specification, but Leung hasn't found one yet.
The USB Type C 1.1 specification allows for power delivery of up to 3A, which is enough juice to charge a laptop like the Chromebook Pixel. Previous USB specs, though, only allowed for power delivery of between 900mA and 1.5A. According to Leung, the problem is mostly related to how the cables deal with going from older Type A or Micro/Mini connectors to the new Type C connector.
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