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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