VEVOR PCP Air Compressor, 4500PSI/30Mpa Portable PCP Airgun Compressor with External Converter, DC12V, AC115V | Oil & Water-Free | Manual-Stop Air Rifle, Paintball and Scuba Tank Compressor Pump

All products on our official website come with a 12-month warranty. If you purchase a product that has a problem within one year, we will be responsible for you. Here is the link: https://www.vevor.com/pages/return-policy. Sorry, we do not support extending the warranty.

This unit can not fill a 7 L tank to 500 psi, it is recommended to use a gas cylinder of less than 1 liter, which can reach 4500psi.

Yes.

The accessories of the product include accessory kits (including wearing parts) battery clips, filters, and power cords.

So far mine has worked perfectly.

You can adjust the voltage for use.