
Champion 100809 4000 Watt Inverter
Best price now
15% under what the other stores charge
Compared across 13 stores. Prices are checked against each store and labelled with when.
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Price facts
- Lowest price today: $635.00 at The Home Depot (checked Nov 11, 2026).
- Checked at 13 stores.
Champion 100809 4000 Watt Inverter prices at every store
- The Home DepotNew
In stock
$635.00Free shippingChecked 49 min ago - eBayNew
In stockSold by supergen_products
$739.00Free shippingChecked 49 min ago - Ferguson HomeNew
In stock
$749.00Free shippingChecked 49 min ago - BigRNew
In stock
$749.99+ $42.30 shippingChecked 49 min ago - WalmartNew
In stockSold by Hidden Path Trading Co LLC
$971.86Free shippingChecked 49 min ago - Grainger Industrial SupplyNew
In stock
$1,068.28+ $233.69 shippingChecked 49 min ago - Miami Dade Electric & AC SupplyNew
Availability unknown
$675.52Checked 49 min ago - Backup Generator StoreNew
Availability unknown
$749.00Checked 49 min ago - Norwall PowerSystemsNew
Availability unknown
$749.00Checked 49 min ago - Rural KingNew
Availability unknown
$749.99Checked 49 min ago - SearsNew
Availability unknownSold by Tekcom Shop USA
$1,124.54Checked 49 min ago - PR Electric DirectNew
Availability unknown
$1,348.46Checked 49 min ago - ShopNew
Availability unknownSold by Shop app
$1,498.00Checked 49 min ago
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Champion 100809 4000 Watt Inverter price history
Lowest price we've seen: $635.00 on Nov 12 at The Home Depot. Tracked across 13 stores since Nov 12.
About the Champion 100809 4000 Watt Inverter
Champion 100809 4000 Watt Inverter
Champion's 4000-watt inverter generator features CO Shield® carbon monoxide auto shutoff system and
is one of the lightest in the industry, making portable power easier than ever. Rely on the 149cc engine with a quiet 64 dBA for up to 10 hours of run time. The Parallel Kit (sold separately) with RV Ready outlet doubles your output.
Description
The Champion Power Equipment 100809 4000-Watt Portable Inverter Generator with CO Shield® is ideal for camping, tailgating, powering items around the RV or providing backup for a few basics. This unit is not recommended for emergency home backup.
Weighing less than 49 pounds, this light model is one of the lightest 4000-watt inverters in the industry. Thanks to Champion’s innovative design, power on the go has never been easier.
Power up with the reliable recoil start, plus Cold Start Technology ensures a quick start in cold weather.
Included are a a 120V 25A TT-30R outlet, a 120V 20 A household duplex outlet (5-20R), plus a 12V automotive-style outlet, and Parallel outlets. This inverter operates at 64 dBA from 23 feet.
Using gasoline, the 149cc Champion engine produces 4000 starting watts and 3000 running watts.
When the 1.54-gallon tank of gasoline is full, this inverter will run up to 10 hours at 25% load.
Connect this Parallel Ready inverter with another Champion 4000-watt inverter for 30 amps of power. If you purchase the optional parallel kit (not included), you can integrate two inverters, plus the kit has a 120V 30A locking and 120V 50A RV outlet.
Confidently connect your sensitive electronics since this inverter produces Clean Power (< 3% THD). Designed for safety with a low oil shut-off sensor, this model has a 0.5-quart oil capacity.
Champion’s Inverter Technology includes smart Economy Mode, which monitors the electrical load to reduce engine speed, noise, and fuel consumption.
Fully assembled with hassle-free setup, the built-in carrying handle makes transport a cinch.
Buy this EPA certified generator with confidence – Champion Support and our nationwide network of service centers will back up your purchase with a 3-year limited warranty and FREE lifetime technical support.
CO Shield technology monitors the accumulation of carbon monoxide (CO), a poisonous gas produced by engine exhaust when the generator is running. If CO Shield detects unsafe elevated levels of CO gas, it automatically shuts off the engine. CO Shield is not a substitute for an indoor carbon monoxide alarm or for safe operation. DO NOT allow engine exhaust fumes to enter a confined area through windows, doors, vents or other openings. Generators must ALWAYS be used outdoors, far away from occupied buildings with engine exhaust pointed away from people and buildings. Meets the requirements of ANSI/PGMA G300-2018.
Questions and answers
- Where is the Champion 100809 4000 Watt Inverter cheapest?
- At The Home Depot, for $635.00, 15% under what the other stores charge, as of our latest check.
- Where can I buy the Champion 100809 4000 Watt Inverter?
- 14 stores we checked sell it, including The Home Depot, Miami Dade Electric & AC Supply, eBay, Ferguson Home, Backup Generator Store.
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