“Is it weird that the website says 8 hours of battery life when my 720 says 4 hour battery life on power saving mode?”
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It'll depend on a number of different circumstances. You can put the laptop into a power optimized mode and get 8 hrs, but if you have the screen at full brightness, have the wifi on, pushing the processor, etc, it's going to cause the battery to drain faster. All-in-all, i wouldn't be concerned. Average battery life on these things is 4-5 hrs.
Sorry, there was a problem. Please try again later.Model number 80X7001SUS ships with a 6CELL 72WH, Lithium Polymer battery, with a battery life of up to 8 hours depending on the work that the device is performing. Be sure there are no unwanted programs running in the background, draining the battery. Here is a link to some tips for finding out what is draining your battery: https://www.laptopmag.com/articles/battery-saver-windows-10. If there are no unwanted programs running, to maximize battery life, try changing your power management setting to a more conservative one. You can do this in the control panel, in the power management category on your system. Select a more conservative power management setting to extend battery life.
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