The right time to buy a generator is before you need one. It also helps if that generator is on sale. Right now, Walmart has a variety of Westinghouse generators cheaper than youll find anywhere else online. This $399 model is $529 at most other retailers right now, and thats lower than the typical price. Even if youre not worried about emergency preparedness, this model is great for everything from travel (with its built-in RV outlet) to tailgating. Save $280 now and worry less later.Westinghouse 4650 Peak Watt Dual Fuel Portable Generator with RV Outlet and CO Sensor $399 (was $679)WestinghouseSee ItThis dual-fuel generator can run off of a four-gallon gas tank or a 20-pound propane tank. It can run for 14 hours off of gas or up to 16.5 hours with a single tank of propane. At 104 pounds, this isnt a light model, but it is easy to move around thanks to its ergonomic cage design. Plus, that size comes with power, 4,650 peak watts or 3,600 running wattsa solid balance of performance and efficiency. Its easy to start and offers a pair of standard outlets, as well as a pair of 30A high-power outlets for bigger jobs.More generator dealsWestinghouse 6600 Peak Watt Home Backup Portable Gas Generator, Recoil Start, RV Ready Outlet, CO Sensor $529 (was $679)Westinghouse 12,500 Peak Watt Dual Fuel Portable Generator, Gas/Propane, Transfer Switch Ready, CO Sensor $1,049 (was $1,399)PowerSmart 2500W Portable Inverter Gas Generator, CO Detect Super Quiet Low Oil Shutdown,for Camping $339 (was $619)Westinghouse 14,500 Watt Tri-Fuel Portable Generator with CO Sensor $1,499 (was $1,699)The post Walmart has this 4,650-watt generator $129 cheaper than any other retailer right now appeared first on Popular Science.