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Champion 3400-Watt Dual Fuel Inverter (100263) vs. NOVUS NV4000iS
| Champion 3400-Watt Dual Fuel Inverter (100263) | NOVUS NV4000iS | |
|---|---|---|
| Running watts | 3,100 W | 3,300 W |
| Starting watts | 3,400 W | 4,125 W |
| On propane | 2,790 W run · 3,060 W start | — |
| Type | Inverter | Inverter |
| Fuel | Dual fuel (gas + propane) | Gasoline |
| Noise (mfr figure) | 59 dBA | 65.7 dBA |
| Weight | 95.7 lb | 58 lb |
| Fuel tank | 1.6 gal | 1.8 gal |
| Runtime (mfr claim) | up to ~7.5 h on gasoline at 25% load | up to ~7 h at 25% load |
| Outlets | Two 20A 125V, TT-30R (RV), 12V DC | 30A 125V locking plug (L5-30R), Two 20A 125V, Two USB |
| Start | Electric | Recoil |
| CO shutoff | Check listing | Yes |
| Approx. price | ~$850 | ~$599 |
Dashes mean the manufacturer doesn't publish that figure. Wattages are gasoline ratings. Prices are typical street prices as of July 2026 — check current listings.
What the spec sheet actually says
- The NOVUS NV4000iS gives you 200 more running watts for about $251 less.
- The Champion 3400-Watt Dual Fuel Inverter (100263) is the quieter machine (59 vs 65.7 dBA).
- Only the Champion 3400-Watt Dual Fuel Inverter (100263) runs on propane as well as gasoline — worth real money if you want shelf-stable stored fuel for outages.
- The Champion 3400-Watt Dual Fuel Inverter (100263) has electric start; the other is pull-start only.
Champion 3400-Watt Dual Fuel Inverter (100263)
Full review →NOVUS NV4000iS
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