Walmart has the Stanley FatMax 700 Peak Amp Jump Starter with Compressor model no. J7CS for $41.99 (regularly $59.99) with Free Shipping for a limited time.

The Stanley FatMax 700 Peak Amp Jump Starter is designed to offer maximum performance and jumpstarting the vehicle in a quicker way. Featuring visual and audible reverse polarity alarms to warn against improper connections to battery terminals. It has a built-in AC charger that recharges the unit with most standard household extension cords and a keyless on/off safety switch for greater user protection. This starter consists of a pivoting ultra-bright LED area light for increased visibility in dark areas, 120 psi compressor, 3 USB ports for charging devices like mobile phones, heavy-duty cables as well as clamps that stores easily in the unit.