Champion 4000W DH Open-Frame Inverter (100302)

Champion 4000W DH Open-Frame Inverter (100302) is a inverter generator from Champion, rated 3,500 running watts with 4,000 starting watts on gasoline, measured at 64 dBA, with 120V output.

General
Type	inverter
Fuel	gasoline

Power output
Running watts (gas / LP for standby)	3500 W
Starting watts (gas)	4000 W

Performance
Noise level	64 dBA
Runtime at 25% load (gas)	17 h
Fuel tank	2.9 gal

Electrical
Output voltage	120V

Features
Start type	recoil

Engine
Engine displacement	224 cc

Physical
Weight	81.5 lb

What the numbers mean

At 3,500 running watts on its best fuel, this unit covers outage essentials — a refrigerator, lights, electronics, and a furnace fan or sump pump via extension cords — but not large 240 V appliances.

Compare the Champion 4000W DH Open-Frame Inverter (100302)

Similar generators

Champion 4500W Inverter (200986) ( 3,500 W running)
WEN 56380i Inverter ( 3,400 W running)
Westinghouse iGen4500 ( 3,700 W running)
Westinghouse iGen4500DF Dual Fuel ( 3,700 W running)
Champion 3400W Dual Fuel Inverter (100263) ( 3,100 W running)
Predator 5000 Dual Fuel Super Quiet Inverter (71367) ( 3,900 W running)

Frequently asked questions

What can the Champion 4000W DH Open-Frame Inverter (100302) run during an outage?

With 3,500 running watts on its best fuel, the Champion 4000W DH Open-Frame Inverter (100302) covers outage essentials — a refrigerator, lights, electronics, and a furnace fan or sump pump via extension cords — but not large 240 V appliances. Add up your actual loads with a sizing worksheet — the bands here are rough guidance, not a load calculation.

Sources

www.homedepot.com (retrieved 2026-07-23)