Comment by jimboyoungblood

i've "abused" countless laptops over the years this way. none of them seem to have been affected negatively. in comparison, my wife routinely lets the battery on hers run close to empty- her last laptop could barely hold a charge for 5 min.

http://www.marco.org/2009/09/24/laptop-battery-myths

http://www.apple.com/batteries/notebooks.html