On 11/23/05 8:47 AM, Linda <XPressoBean at mac.com> wrote: > On 11/23/05 10:42 AM, Kuestner, Bjoern wrote: > >> you can clearly tell why the battery runs down within an hour. > > I'm not sure I understand the point you're trying to make I think his point is that an hour's worth of use is not an acceptable length of time for a 17" PowerBook battery under normal usage, certainly not within the first 90 days or so. However, running SETI at Home is not normal usage. It maxes out your CPU usage, so in that scenario, you can't expect the battery to last as long as it should. Eddie Hargreaves