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Best USB-C battery pack: We review portable batteries for the latest MacBook and iOS devices

Glenn Fleishman | Feb. 23, 2016
Four contenders introduced in the last few months feature USB-C ports that can recharge a 12-inch MacBook. Two finish as strong choices for the MacBook, as well as iOS charging on the road.

Don’t pity the poor battery reviewer, but do appreciate the time involved. These larger-capacity battery packs and the high-efficiency and relatively large battery in the MacBook meant several days of poking and checking on batteries as they charged and discharged. To get a MacBook from 100 percent down to a flat battery, I used the inefficient Chrome browser to stream HTML5 video (the latest SpongeBob movie via Amazon Video’s Prime option) while also running iTunes visualizer and pulling a 1A load from its USB-C port to my USB load tester. Overall, this review took a couple of weeks of continuous testing.


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