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Was just wondering if there is software or program/app that would switch the power from AC to battery on a ubuntu laptop without having to pull the power cord? Look in google, but only found software to change power modes(high to low). Asking if I could leave power cord attached, but run on battery if I wanted.

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This is suitable for people that like to let their laptop batteries discharge automatically and then recharge at a certain percentage.

Hardware component (20 bucks)

First you need an TP-Link HS100 compatible smart plug like this one:

tp-link hs-100 smart plug.png


Software component (Free)

Then you need some free Linux software like tp-link Wi-Fi Smart Plug HS100:

Switch plug on:

hs100.sh on

Switch plug off:

hs100.sh on

Check if plug is on or off:

hs100.sh check

Print plug system status:

hs100.sh status

Blog about developing hs100.sh including full bash script

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  • Didn't realize TP had Ubuntu software... +1
    – David
    Oct 26 '19 at 2:06
  • 1
    @David Technically it's Linux so works with all distro's that have a command line interface. Oct 26 '19 at 2:07
  • Ah, gotcha. Good to know
    – David
    Oct 26 '19 at 4:54
  • Seems to be typo with plug off command. Thanks for your answer.
    – crip659
    Oct 26 '19 at 10:24
  • Just a confirmation, this will work out of the box with Ubuntu plus the download, or do we need an android/ios app for setup like for chromecast.
    – crip659
    Oct 26 '19 at 12:01

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