At 2/1/2004 04:28 PM -0500, you wrote:I don't know, it belongs to my daughter and she went back to school. It sticksout a bit in the back. It's the battery that IBM gave me with the machine. I think it's standard. It sure runs a long time. The 9 hours is what IBM told me, I haven't timed it.Thanks, Robert. Since this is off-topic I'll end it here. Michael.Norman@xxxxxxxx