My laptop is approx. 18 month old. I have changed the internal hard drive recently and I have Ubuntu installed on the system.

The problem is my laptop's battery is draining very fast. When it charges up to 100%, it shows 1:15 minutes remaining. Can any one tell me the possible reasons for the short battery life?

  • There are many possible reasons. you need to start troubleshooting to determine where the problem lays. To start, try a replacement battery. – Ƭᴇcʜιᴇ007 Dec 6 '13 at 19:00
  • Even i charged it 100 % then also it show 1:15 min remaining. Are you saying that it only shows 1:15 remaining with a full charge or that it says that but only lasts a few minutes? If it actually lasts that long, then it is not really unusual. Even with a full charge, a battery may not last too long, depending on how you are using the laptop. If it says 1:15, but only lasts a few minutes, then something might be wrong, though again, that may have merely been an estimate, and your usage could affect how fast it drains. – Synetech Dec 6 '13 at 19:02

Batteries have a limited life and they usually begin to degrade after a couple of years. It could be time for a replacement.


Install and run Powertop (apt-get install powertop). This should help identify some of the issues.

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