How much life can you get out of Dell's Inspiron 15 7000 battery?

[Windows Central]

Best answer: There are two different batteries available with the Dell Inspiron 15 7000 based on what type of display you choose. The FHD display comes with a three-cell 42Wh battery that should realistically last between five and seven hours of regular usage, while the four-cell 56Wh battery with the 4K display should realistically last about three to five hours of regular usage.
Dell: Inspiron 15 7000 (7570) (From $800)

Full story from the WindowsCentral blog...