Factory Authorized Outlet via eBay offers the Duromax 3,850-watt Dual-Fuel Portable Generator
, model no. XP4850EH, for $299.99
with free shipping
. That's tied with our January mention as the best price we've seen, and it's a low by $130. This generator runs on propane or gasoline and provides a constant 3,850 watts (4,850 watts peak) of power.