on 04/02/08 08:06, Bob Jacobsen at Bob_Jacobsen at lbl.gov wrote: > I have a TiBook 400MHz and three batteries. The original battery > recently developed a problem with its idea of how much charge it > contains. When charged, it shows 100%. That drops to zero in about > 20 minutes, giving the usual low-battery warning, etc. But I can run > at 0% for an hour or more! > My 800 MHz is similar, but not as bad. It gives me the warning after about 2 hours, but will continue to work for another hour or more. I don't use the battery much, so I have not worried about it or investigated. Jerry