Today only, Factory Authorized Outlet via eBay offers the Duromax 3,850-watt Dual-Fuel Portable Generator for $324.99. Coupon code "PICKUPSALE" cuts it to $254.15. With free shipping, that's $21 under our February mention and the lowest price we've seen. (It's the best deal now by $272.) This generator runs on propane or gasoline and provides a constant 3,850 watts (4,850 watts peak) of power.

Note: the above coupon can be used once per account, with a $75 maximum discount.