I did use a laptop that way, and I think that I did knacker its battery prematurely, though I'd simply these days be more gentle about switching between it and

I did use a laptop that way, and I think that I did knacker its battery prematurely, though I'd simply these days be more gentle about switching between it and external power, like I do with my network gear switching between mains and off-grid. http://www.earth.org.uk/low-power-laptop.html http://www.earth.org.uk/low-power-laptop.html