Join Date: Feb 2008
Location: St Louis MO, USA, Earth
I'll second the battery powered air pump.
I will also suggest a "UPS" for a computer, kind of pricy, but it's "plug and play" and there's no need to be there. It will run my Eheim 2217 for hours, maybe more, I couldn't stand the beeping for more then a few hours during a test run.