Battery Life performance of the A31p was what we would consider a little above average for a notebook that is in the mobile workstation/ desktop replacement category. After making sure that the A31p had a full charge, we then used the included DVD, software, and copy of the Region One DVD Driven, and set the DVD in endless loop playback mode. Tests yielded a playback of 2:17 minutes. This time could be extended, by adding an additional battery, but this, of course, will add weight to the system. The battery took a little over three hours to obtain a full recharge, but according to the IBM documentation, this time can ary due to the mode the laptop is in during the recharge cycle. The Dell, on the other hand, does flex its might here, turning in a score that is almost 20 minutes higher. Neither unit benefits from a full implementation of ATi's Powerplay technology.
The IBM A31p flattened the Dell Inspiron 8100 in this test. With its faster hard drive and faster processor it had a clear advantage.