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Hi I just installed elementary OS 5.1.7 Hera, and my battery lasts 10min.

My laptop: Dual-Core Intel® Core™ i5-7200U CPU @ 2.50GHz Intel Corporation HD Graphics 620 (rev 02) NVIDIA Corporation GP108M [GeForce MX150] (rev a1) 8,1 GB memory

I was using loki before that, and I could watch a movie (720p - 2 hours), now it's 10min with screen on.

Previous installation I had nothing special installed for the battery.

Do you have any idea what I might do to fix that?

Thank you

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    Hmm... I'd start with TLP. You shouldn't have to do anything more than install it. If you do find you need to do more, you can poke around in the settings. This is a good link: linrunner.de/tlp Let us know how that works out for you. It's just sudo apt install tlp. – KGIII Mar 8 at 23:54
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You can install the latest version of TLP using it's PPA following the steps below from this blog post.

  1. Install the necessary package for easily adding PPA’s.
sudo apt -y install software-properties-common
  1. Add the TLP PPA to your system to get the latest version of TLP.
sudo apt-add-repository -uy ppa:linrunner/tlp
  1. Install TLP.
sudo apt -y install tlp tlp-rdw
  1. TLP will start automatically at boot, but to start it now without rebooting, do so manually.
sudo tlp start
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  • well thank you, it seems to work. I could watch a whole movie being unplugged. weird thing though, I still get an alert I have low battery really quickly, but then nothing. – copndz Apr 24 at 7:22

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