USB-C plugCool factor 4/5Usability 4/5Value for money 3/5 The new USB-C plug means you can charge just about any portable gadget with a battery booster, including a laptop. I’m writing this in the Frankfurt airport with a flat laptop battery. I shouldn’t be able to, but I am using my favourite new travel accessory — a battery booster big and strong enough to charge my MacBook Pro. For someone who travels as much as I do, this is an ideal solution to a problem I’ve often had, especially at day-long conferences. The reason I am able to charge my laptop from a battery booster is because of the shift to a new format for USB, that plug and cable that have come to define the computing era, both laptop and mobile. Called USB-C or sometimes Type-C, it is a wonderful upgrade that works with all the new models of devices, including Apple’s latest iPad. Not only does it mean a standardised cable — which is thankfully reversible, so it doesn’t matter which way you put it in — but it allows you ...

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