turn the airport card off when you're not using it. should up your battery to close to 4 hrs. -don Joe wrote: > > Hello! > > My iBook 600mhz, 12 in display, is 9 months old. I'm running Jaguar > 10.2.2. I use the strictest energy conservation savings, and display is > always dimmed to near dark...I only get about 2hours and 20-40 minutes > worth of life when "fully charged." > > Couple of caveats though: > > I use the airport card and I installed a 512 mb dimm in the iBook. I > figure this is why the battery life has been limited... > > Any thoughts?