Best answer: Lenovo's Yoga C930 convertible laptop has a four-cell 60 Wh battery in both the 1080p (FHD) and 4K models. With the lower resolution, you can expect about five hours of life while streaming video and more than nine hours when going about regular tasks. With a 4K display, those numbers will drop, though you should be able to push all-day life if you use it conservatively.
Lenovo: Yoga C930 ($1,162+)
Full story from the WindowsCentral blog...
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