Woot offers DuroMax XP4850EH Generator-4850 Watt Gas or Propane Powered-Electric Start-Camping & RV Ready, 50 State Approved Dual Fuel Portable Generator, Green for $394.99 (orig. $439.99). Free shipping for Prime Members.

Product Description:
The DuroMax XP4850EH is designed as a user-friendly unit that provides 4,850 watts of POWER. Dual Fuel Technology allows you to operate your generator on standard gasoline or cleaner-burning liquid propane. This Dual Fuel workhorse packs a punch and will keep you powered at home, work, and play.

• Plenty of Power – With 4,850 starting watts and 3,850 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools
• Dual Fuel Technology – This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice
• Powerful Engine – The DuroMax 210cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
• MX2 Technology - Get the maximum power from each of the 120-volt receptacles. Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power. Ideal for usage with RVs
• Fully Featured Power Panel – The power panel includes a wide selection of outlets for maximum compatibility in your applications including: (2O) 120V household GFCI outlets and (1) 120/240V 30A twist lock outlet. The panel also includes a voltmeter and 12V DC charging posts for charging external batteries