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I received my Acer 4315-2004 in December of 2007, and this week was the first time I travelled with it using the battery pac. Although the icon at the bottom right said it was 100% charged the screen dimmed after only about 30 minutes stating that the battery was about to die. What is the expected time you canfunction on batterypower only? Is my battery pac defective?

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  • bobmiller654 Apr 21, 2008

    When I purchased the computer I was likely a victim of false advertising because on Shop NBC they were bragging that it came with a batery that lasted 4 hours. Buyer Beware.


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Depends on the settings in the control panel/ power options.
If everything is maxed out 45 min to an hour is it.

If you tweak it you can get up to 2 hours if it is the heavy duty 4000-4400.

Posted on Apr 19, 2008

  • Mark Williams
    Mark Williams Apr 21, 2008


  • Mark Williams
    Mark Williams Apr 21, 2008


    Battery, Primary
    Lithium Ion 44.4 W 4000 mAh 6-cell battery pack:
    up to 2-hour battery life


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