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After removing my Dell Studio 15's laptop battery charger I'm not getting the perfect battery level displayed in my Windows 8 task bar.

At 82% it displayed 3 hr 32 min and at 75% it's displaying 2 hr 27 min. I couldn't manage my work time because of this incorrect battery level display.

What can I do to fix this problem?

  • What operating system do you have? What laptop are you using? We're missing essential information here. – slhck Oct 22 '12 at 7:50
  • The remaining time displayed will vary depending primarily on CPU utilization and secondarily on other components. The best thing you can do is develop a habit of knowing how much juice there is in your battery depending on the task currently performed. – Ярослав Рахматуллин Oct 22 '12 at 10:59
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That happened to me and I bought a new battery on Amazon or eBay. It wouldn't hold a charge. It depends on the usage. If you are using it heavily (games/video), then it assumes a continuous rate and less time. If it is idle, then it calculates with a longer time.

  • OS - Windows 8 Preview release, DELL Studio 15. – Ashfedy Oct 22 '12 at 7:55
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    @Ashfedy In the future please edit your question rather than dropping important information like this in a comment, thanks. – slhck Oct 22 '12 at 12:01

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