>On Friday, January 24, 2003, at 01:33 PM, Seymour J. Wolfson wrote: > >>I have one of the original TiPB when they first came out, and, as I >>recall, they were supposed to last about 4 hours on the battery. I >>have been doing OK for a long time, but most recently I noticed >>that after about 1.5 hours, the battery gives out. > >the battery life stated is always under the minimal use. >The reality is that many factors bite into that time. If you have >Airport on, you greatly reduce battery life. The backlight cuts down >time, more when brightest. A CD/DVD in the drive uses energy. So do >external FireWire or USB devices, including a USB keyboard light. >Processor performance too. The Energy Saver panel of System Prefs >can help - a bit. Processor-heavy work costs. (There may be more >factors that I'm forgetting.) > >- - - - - >Deborah Shadovitz, Author, Instructor & Speaker ~ shadovitz- dot-com ========================= Thanks. Now I recall the new item which is a new laser projector I am using. I'll bet that also draws a lot of battery power. It is 300 lumen unit. Since that is the newest item I am using, that must be the culprit. It is not the battery, it is the attachments. What do you think? -- Seymour