My Favorite is my air tank. It will fill a few tires, doesn't need to be
plugged in
and can be carried anywhere as easily as a compressor/pump. You can also
fill
it up at a gas station or anywhere else with an air hose. Oh Yeah, they are
dirt cheap
at harbor freight if you don't already have one.

item #41712 5 gallon air tank

Have a great day

Scott