Champion 4000-Watt Dual Fuel Inverter Generator vs Champion 4000-Watt RV Ready Inverter

Both are Champion 4000-watt dual-fuel inverters on the same 149cc engine, so the real split is features, not power. The 201050 adds CO Shield auto shutoff, a 12V outlet, parallel ports and a lighter sub-55-pound frame, and its 4.8-star record across 418 ratings backs it up. The open-frame model counters with electric start and a battery, which matters if you dislike pull cords. Buy the 201050 for RV and camping use; pick the open-frame only if push-button starting outweighs safety shutoff and quieter running.

• Choose the Champion 201050 if you want CO Shield shutoff, a lighter unit, parallel capability and a 12V outlet for RV and campsite use.
• Choose the open-frame Champion if push-button electric start with an included battery matters more to you than CO shutoff and parallel ports.