USB battery pack

I wouldn’t normally describe a portable battery as being beautiful, but Kanex’s just-released $99 GoPower USB-C Portable Battery fits that description. Its aluminum body is like a mix of Apple’s space gray and silver colors, but it’ll look good when paired with any 12″ MacBook.

Good looks are nice, but the real world performance of a battery pack is crucial. How does Kanex’s offering stack up? Check out our hands-on impressions.
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There’s no shortage of external battery packs for iPhones, iPads and other USB-powered devices. With occasional exceptions, the majority have little to distinguish them. But thanks to the addition of a USB-C port, the Xtron can power the 12-inch MacBook as well as iPhones and iPads … 
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There are hundreds of external battery packs out there, and most of them are highly similar to one another: cosmetics aside, their capacities, features, and pricing tend to be predictable. Anker’s 2nd Gen Astro E7 ($80) is a complete outlier. It has the highest capacity of any external battery pack I’ve ever tested, yet it’s priced competitively with products that deliver half as much juice.

If you have an iPad or plan to carry your iPhone around without access to wall power, Astro E7 is as close to a must-have battery as I’ve seen. Delivered in efficiently designed, eco-friendly packaging, it quickly earned a place in my personal travel bag, for reasons I’ll explain below.

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