I've noticed a decrease in the amount of battery life in my 4530GZ. This model has a 6-cell battery stock and I purchased the laptop in November. I tried to fully drain/charge the battery earlier this week to recalibrate windows and got a little improvement. Next I ordered the 9-cell unit from Gateway to see what it could do. For my test I set the laptop at 80% backlit, power properties at "always on", and ran SETI along with some other application to see what kind of battery life I could achieve from the two different batteries. I also turned the status leds off too. The 6-cell unit, fully charged, lasted 1 hour 40 minutes. The 9-cell unit, fully charged, lasted 2 hours and 35 minutes. I know that changing the power properties to laptop/portable or gateway management will give me alot more battery time. I just wanted to see what the batteries could do while maxing out the processor with a decent screen brightness ( and didn't want to wait too long to get results). I think for my next test I will put in The Return of the King extended edition with max battery setting and the Wi-Fi card off and se e how far I get.
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3/15/05 at 7:53pm