We were looking for an air compressor to take on trips when we use the travel trailer when we found this at Sam's for $50.00.
http://tinyurl.com/y2esw8a 450-AMP JUMP STARTER/COMPRESSOR/POWER SUPPLY
So far it has worked very well and has already earned it's keep. Hopefully I can remember to post updates every so often.
Some details...
THREE emergency tools in one affordable, portable, cordless, rechargeable unit!450 amps instantly jump start a "dead" battery260 psi 12V air compressor inflates almost anything (tires, sports equipment, etc.) quickly, easilyTwo DC outlets power your 12V accessories (lights, appliances)Ultra-bright 10,000-hour cold cathode light illuminates roadside emergencies
Portable Jump Starters are safer to use, store and transport than traditional jump start methods. Provides 12V DC Power to run and charge work lights, radios, coolers and other DC powered accessories. Ideal for heavy-duty vehicles. Features 26" heavy-duty welder type battery cables with spark resistant clamps. Alarm warns of reverse polarity hookup. Compressor includes 18" hose, universal adapter and pressure gauge. Automatic 110/120V ACwall adapter/charger and 12V charge plug for cigarette lighter outlet. Built-in high density 19-amp-hour sealed no-spill battery. Manual on/off power control.
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A friend of mine has one similar to this. His even has two USB ports so you can power a laptop of phone charger, etc.
yea this has just one