I have been looking for the same, and am equally confused....
Was in Canadian Tire last night and they have a 2 gallon master craft unit with built in air pressure gauge on sale for $50 regular $100. But it uses a regular plug in. I do have an outlet on the car for such things but I am worried about blowing fuses. Also this thing is a bit big, I would like a compressor not just for pontoons but air mattresses and the occasional tire.
There is also a smaller unit that uses your car lighter plug in that is 1/4 the size that pumps out 25l/min, but it is $50, I know I have seen it on sale before, not sure if it is worth $50, so I may wait for a sale.
Murray had a small compressor when went together earlier this year, maybe he will chime in with what he uses for his pontoon.
Here is the unit I am looking at: http://www.canadiantire.ca/AST/browse/4/Au...r.jsp?locale=en
Anyone have any thoughts on if it will work for my purposes?
J