Home Slickdeals Stanley FatMax 140W 12V DC to 120V AC Power Outlet Inverter w/... Slickdeals Stanley FatMax 140W 12V DC to 120V AC Power Outlet Inverter w/ Dual USB Ports $13.77 + Free Store Pickup @ Walmart By ARCOM - 20 June 2018 211 0 SHARE Facebook Twitter Go to the deal page: Stanley FatMax 140W 12V DC to 120V AC Power Outlet Inverter w/ Dual USB Ports $13.77 + Free Store Pickup @ Walmart