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Champion 4500W Dual Fuel Inverter
The Champion 4500W Dual Fuel Inverter is an inverter generator rated 3,250 W running and 4,500 W starting on gasoline. It can run 28 of the 29 household loads we track. The manufacturer rates it at 10 hours on a 1.54 gal tank at 25% load, about 3.7 gallons a day at that load.
Check price on Champion Affiliate links: we may earn a commission, at no cost to you. Specs verified 2026-10-19.
Specs
| Type | Inverter (clean power for electronics) |
|---|---|
| Fuel | gasoline/propane[source]Full model name on the official page: 4500W Dual Fuel Inverter (Model #201531). Spec table 'Fuel Type: Gasoline, Propane (LPG)'. Champion's current page literally named '4500W Dual Fuel Inverter' is model 201531 (recoil start, 149cc); Champion has no conventional open-frame '4500-Watt Dual Fuel' page. Related current pages: 201278 / 201319 (Electric Start Dual Fuel Inverter) and 201321 (Dual Fuel Open Frame Inverter). Champion has no product literally named a conventional 4500W Dual Fuel; this is the page named "4500W Dual Fuel Inverter" (201531). The nearest conventional Champion dual fuel in the 4000-5000 W range is the 3800W Electric Start Dual Fuel (3800 running / 4750 starting), not used here. |
| Running watts (gasoline) | 3,250 W[source]Gasoline Running Watts 3250W (spec table). |
| Starting watts (gasoline) | 4,500 W[source]Gasoline Starting Watts 4500W (spec table); propane starting also 4500W. |
| Running watts (propane) | 2,925 W[source]Propane Running Watts 2925W (spec table). |
| Fuel tank | 1.54 gal[source]Gasoline Capacity 1.54 gal. (spec table). |
| Runtime on a full tank | 10 h[source]Gasoline Run Time at 1/4 Load 10 h (spec table). Propane: 25 h at 1/4 load on a 20-lb tank. at 25% load |
| Noise | 64 dBA[source]64 dBA from 23 feet (7 m); load not stated on the page. |
| 240 V outlet | No[source]120 V only: (1) 120V 20A duplex (5-20R), (1) 120V 27.1A RV TT-30R, parallel ports, 12V 8A automotive DC. A 120/240V 50A outlet is only available via the separately sold parallel kit. |
| CO shut-off sensor | Yes[source]CO Shield carbon monoxide auto shutoff. |
| Weight | 51.8 lb[source]Weight 51.8 lb (spec table); description says 'less than 55 pounds' (consistent). |
| List price | Not publishedchampionpowerequipment.com shows no price or MSRP (only 'Find Local' / 'Where to buy' retailer links), seen 2026-10-19; retailer prices not used. |
Fuel cost: about $0.82 per kWh at the stated load (0.19 gal/kWh × $4.33/gal, the EIA US average). This applies at the stated load only.
What it can run
"Yes" means the running watts fit within 3,250 W and the startup surge within 4,500 W, and the load runs on 120 V. Unlike a battery, a generator runs as long as it has fuel, so there is no runtime per appliance; see fuel use above.