Pros & Cons — The Honest Take

The pros clearly outweigh the cons for me, especially with the quiet operation and clean power output. If you can live with the small tank and gasoline-only fuel, this is a fantastic generator for home backup and job site use.

⚖️ How Does It Compare?

I picked the Champion Power Equipment 100519 and the standard Champion 8750-Watt as the closest alternatives because they offer similar power output but with different feature sets. Let me break down how they stack up against the 100520 DH Series Inverter I’ve been testing.

If you need 240-volt output for large appliances, the standard 8750-Watt is a better choice despite being louder. For long runtime without refueling, the 100519’s 8-gallon tank is hard to beat. But for quiet, clean power that protects your electronics and won’t annoy your neighbors, I’d stick with the 100520 DH Series every time.

How It Actually Performs

Starting and Power Delivery

The electric push-button start fired up on the first try every time, even after the generator sat in my garage for two weeks. I tested it by plugging in a 5000-watt electric heater and a 1500-watt window AC unit simultaneously, and the 8750 starting watts handled the initial surge without breaking a sweat. The clean power from the inverter was immediately noticeable — my laptop’s power brick didn’t buzz or flicker like it does with my old traditional generator.

Run Time and Fuel Efficiency

With the 2-gallon tank, I got exactly 10.5 hours of run time running at about 25% load with Economy Mode engaged. That’s perfect for overnight backup for my fridge and a few lights. But under heavy load — like running the AC and power tools at the same time — that dropped to about 5 hours as the specs suggest. I found myself wishing for a larger tank, especially during multi-day outages where refueling at 2 AM isn’t fun.

Noise Level and Comfort

At 72 dBA, this generator is genuinely quiet for its power class. Standing 10 feet away, I could hold a normal conversation without raising my voice. My neighbor actually complimented me on how much quieter it was than my previous unit. The open frame design does let more engine noise escape than a closed inverter, but it’s still a massive improvement over traditional 7000-watt generators that typically hit 78-82 dBA.

Portability and Build Quality

The claim that it’s 25% lighter than a traditional Champion 7000-watt generator holds up — I could roll it around my yard without straining my back. The metal frame feels sturdy with welded joints, and the yellow and black color scheme makes it easy to spot in dim light. My only gripe is that the included storage cover is designed for 3000-watt inverters, so it’s a bit loose on this larger frame and doesn’t fit as snugly as I’d like.

Who Is This Generator Best For?

After spending weeks testing the Champion Power Equipment 100520 8750-Watt DH Series Open Frame Inverter, I have a clear picture of who will love it and who should keep shopping.

✅ This Is a Great Fit If You…

• Need quiet backup power for your home — at 72 dBA, this won’t wake your family or annoy neighbors during an overnight outage.
• Want to safely power sensitive electronics like laptops, TVs, and medical devices without buying a separate surge protector or inverter.
• Hate pulling starter cords — the electric push-button start with included battery makes setup effortless, even in the dark.
• Value portability for job sites or tailgating — it’s 25% lighter than a traditional 7000-watt generator and easy to roll around.

❌ You Might Want to Look Elsewhere If…

• Need 240-volt output for large appliances like a well pump, RV, or central AC — this generator only provides 120-volt power.
• Plan to run heavy loads for more than 5 hours straight — the 2-gallon tank requires frequent refueling under full load.
• Want the option to run on propane or natural gas — this unit is gasoline-only with no dual-fuel capability.

For anyone who needs quiet, clean power for home backup or sensitive electronics and doesn’t mind the small tank, this is my top recommendation in the 7000-watt class.

Common Issues & Fixes

After running this generator through its paces, I ran into a few hiccups and figured out easy workarounds. Here’s what I learned so you don’t have to make the same mistakes.

Generator Won’t Start After Sitting for a Month

The problem: The electric start clicks but the engine won’t turn over, especially after storing the unit with fuel in the tank.

My fix: Drain the old gasoline and replace it with fresh fuel treated with a stabilizer. I also check the battery connections — the included battery can lose charge if stored in cold temps, so I keep it on a trickle charger between uses.

Economy Mode Causing Lights to Flicker

The problem: When running sensitive electronics in Economy Mode, the engine speed fluctuates and causes lights to dim briefly.

My fix: Turn off Economy Mode when powering devices that need steady voltage, like computers or medical equipment. I only use Economy Mode for basic loads like a fridge or sump pump where minor fluctuations don’t matter.

Engine Shuts Down After 5 Hours of Use

The problem: The generator suddenly dies, and I thought something was broken — but the 2-gallon tank is just empty under heavy load.

My fix: I keep a spare 5-gallon gas can nearby and set a timer for 4.5 hours to refuel before it runs dry. Running the generator with the Intelligauge display visible helps me track hours remaining at a glance.

Storage Cover Doesn’t Fit Snugly

The problem: The included weather-resistant cover is designed for 3000-watt inverters, so it flaps around on this larger 7000-watt frame and doesn’t stay put in wind.

My fix: I use a bungee cord to secure the cover’s elastic base around the frame. For permanent outdoor storage, I’d recommend buying a larger aftermarket cover that fits this specific model better.

Warranty & Support

Champion backs this generator with a 3-year limited warranty, and I’ve used their free lifetime technical support before — they actually picked up the phone in under 5 minutes. The Amazon 30-day return policy gives you plenty of time to test it at home, and the manufacturer’s support team can be reached through Champion’s website for any issues beyond the return window.

My Final Verdict

After weeks of testing the Champion Power Equipment 100520 8750-Watt DH Series Open Frame Inverter, I can confidently say it delivers on its promises. The 72 dBA noise level, clean inverter power, and electric start make it a standout for home backup and job sites. I’d recommend it to anyone who needs quiet, portable power for sensitive electronics and doesn’t need 240-volt output or dual-fuel capability.

The 2-gallon tank is the biggest trade-off — you’ll refuel every 5 hours under heavy load. But for overnight backup running a fridge and lights, the 10.5-hour runtime in Economy Mode is plenty. Given the clean power output and how quiet it runs, I’d buy this again for my own home.