When using a Portable Air Tank like
THESE How long does a full tank of air last?
An example would be:
The Portable Air Tank can handle a maximum 135 PSI of pressure.
You start out with 135 PSI of pressure in the tank.
A tire has 10 PSI in it, and you want to fill that tire to 30 PSI.
After you add 20 PSI into the tire, how much air or air pressure is left in the Portable Air Tank?
Are you gaining anything between using a 5 gallon or a 10 gallon Tank?
They both can handle the same maximum 135 PSI of pressure.