I came across this battery back up system at Harbor Freight, it is used with a marine battery like the Harman model. Does anybody know if this will work? A lot better than the $400 plus for the name brand.
http://www.harborfreight.com/400-wa...dium=email&utm_campaign=1712b&utm_source=1002
http://www.harborfreight.com/400-wa...dium=email&utm_campaign=1712b&utm_source=1002