The difference that matters
The WEN DF450i 4500-Watt Dual Fuel RV-Ready Portable Inverter Generator is listed $69 lower.
Side by side
| Specification | WEN DF450i 4500-Watt Dual Fuel RV-Ready Portable Inverter Generator | Westinghouse Outdoor Power iGen4000DFcv Inverter Generator - Dual Fuel |
|---|---|---|
| Brand | WEN | Westinghouse Outdoor Power |
| Running watts | 3,500 W | 3,600 W |
| Starting watts | 4,500 W | 3,300 W |
| Fuel types | Gasoline, Propane | Gasoline, Propane |
| Fuel tank (gasoline) | — | 1.69 gal |
| Runtime (as stated) | — | up to 17 h |
| Noise (as stated) | — | 52 dB |
| Weight | — | 59 lb |
| Starting system | — | — |
| Inverter | Yes | Yes |
| Carbon monoxide shutoff | Not listed | Listed |
| Parallel capable | — | — |
| Warranty | — | Warranty (Commercial) 1 Year Limited |
| Household appliances it can run by watts (calc) | 19 of 20 | 19 of 20 |
| Price per running watt (calc) | $0.20 | $0.21 |
| Price seen | $700 | $769 |
| Sellers | 1 | 1 |
Highlighted rows differ. Figures come from each product's sources; runtime, recharge and cost rows are Wattstanding calculations using the same method for both.
Which should you choose?
WEN DF450i 4500-Watt Dual Fuel RV-Ready Portable Inverter Generator
Choose the WEN DF450i 4500-Watt Dual Fuel RV-Ready Portable Inverter Generator if price decides it.
Westinghouse Outdoor Power iGen4000DFcv Inverter Generator - Dual Fuel
Choose the Westinghouse Outdoor Power iGen4000DFcv Inverter Generator - Dual Fuel if you prefer its maker, seller or ecosystem — the published figures do not favour it.
Before you buy either
- Total your loads with the appliance load & runtime calculator.
- Confirm what each seller includes — accessories, software trials and bundles change often.
- Read the limitations on each full reference page.
Wattstanding compares published specifications; we have not tested these products side by side. How we work · Disclosure