im a newb about these.
im wanting one to mainly power an air pump.
this is the one im looking at
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=95519
1.so how do i know what i can hook up to it?
2.how long can you run them?
3.with the car off,how fast do these kill the cars battery?
thanks if anyone has some info on these things

im wanting one to mainly power an air pump.
this is the one im looking at
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=95519
1.so how do i know what i can hook up to it?
2.how long can you run them?
3.with the car off,how fast do these kill the cars battery?
thanks if anyone has some info on these things
