Speedway 7226 4-In-1 Power Station, 900 AmpThe Speedway Series 4 in 1 Power Station is the ideal power station choice. It features a 260 psi built in air compressor which can serve as an immediate air supply for items such as tires, rubber rafts and sports balls. A pressure gauge on the back of the unit allows you to make sure you are filling the item with the proper amount of air. The unit also features a rechargeable 17 amp sealed lead acid battery with battery test switch, up to 50 hours of