Our Take on the Champion 3800 Generator (Good or Bad?)

Our review is going to take a closer look at the various features and benefits of the Champion 3800 generator. We’ll give you a quick overview, a full rundown of its most important specifications and discuss some of the pros and cons of this particular unit. Lastly, we’ll provide you with the positive and negative opinions of various users and their experiences with the Champion 3800. Do you like to take your RV off the beaten path and outside those crowded RV parks?

If you do, then you will need a generator in order to provide the necessary power to make all of the equipment, appliances, and lights work in your RV. A solid generator to keep in mind when it comes to providing alternative power to your RV is the Champion 3800 Generator.

Important Safety Note: This generator must be operated outdoors only, at least 20 feet away from windows, doors, and vents to prevent deadly carbon monoxide poisoning. Never use generators indoors, in garages, basements, or any enclosed spaces.

Find out how to pick the right generator for your needs here!

Champion 3800 Generator Overview

When you want a solid generator for use with your RV or backup energy in a blackout, you need to take a close look at the Champion 3800 Generator. This dual-fuel generator is best for use with an RV or to provide emergency backup power during a blackout and can work on either gasoline or LP gas. Note that this is a conventional generator, not an inverter model, so while it’s powerful and reliable, the power output is less clean than inverter generators and may not be ideal for very sensitive electronics. Champion 3800 Generator

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Key Specifications & Features

Power Output:

Gasoline: 4,750 watts peak / 3,800 watts rated
Propane: 4,375 watts peak / 3,500 watts rated
Can power RV air conditioners up to 15,000 BTU

Engine & Starting:

224cc 4-stroke OHV engine with cast iron sleeve for durability
Electric push-button start (battery included)
Backup recoil start for reliability
Oil capacity: 1.2 quarts (20W-50 or 10W-30 depending on temperature)

Runtime:

Gasoline: Up to 9 hours at 50% load (3.4-gallon tank)
Propane: Up to 10.5 hours at 50% load (20 lb tank)
Intelligauge monitors voltage, hertz, and runtime hours

Outlets:

One 120V 30A locking outlet (L5-30R)
One 120V 30A RV outlet (TT-30R)
One 120V 20A duplex household outlet (5-20R)
Includes volt meter for monitoring

Portability & Build:

Weight: 122 lbs
Steel tube frame construction
8-inch never-flat wheels
Fold-down handle for easy transport and storage

Safety & Compliance:

Circuit breaker protection on all outlets
Low oil automatic shutdown with indicator light
CARB compliant (legal in all 50 states including California)
EPA approved
Spark arrestor included

Warranty:

3-year limited warranty
Free lifetime technical support from Champion experts

If you are an RV camper who likes to travel off the beaten path, this is a good setup and affordable means of providing the power you need at your remote campsite.

What Can You Run on the Champion 3800?

With 3,800 watts of running power, this generator can handle: Champion 3800 Generator: 2018 Review

In Your RV (Simultaneously):

15,000 BTU air conditioner – 1,800W
Refrigerator – 700W
Microwave – 1,000W
Lights and small devices – 300W
Total: ~3,800W

Home Backup Power:

Refrigerator and freezer
Sump pump
Several lights and lamps
TV and internet equipment
Phone and device chargers
Space heater or fans
Coffee maker

Not Recommended For:

Central air conditioning (whole house)
Electric water heater
Electric range/oven
Well pumps over 1 HP
Very sensitive electronics (computers, medical equipment) – conventional generator power is not as clean as inverter power

Pros

High power output: 4,750W peak / 3,800W rated on gasoline
Dual fuel versatility: Run on gasoline or propane for flexibility and fuel storage convenience
Electric start: Push-button starting with included battery (plus backup recoil)
Long runtime: 9-10.5 hours at 50% load depending on fuel choice
RV-ready: 30A RV outlet plus locking and household outlets
Durable construction: Heavy-duty steel frame with 8-inch never-flat wheels
Good value: Typically $600-800 with excellent features for the price
3-year warranty: Plus free lifetime technical support
CARB compliant: Legal for use in all 50 states including California
Affordable operation: Propane option can reduce fuel costs and allows long-term storage

Cons

Loud operation: 68 dB is noticeably loud, not suitable for quiet campgrounds
Heavy unit: 122 lbs makes it difficult to lift without assistance
Not inverter technology: Power quality not ideal for sensitive electronics like computers
Cold start issues: Choke can be sensitive and tricky in cold weather
Starter battery problems: Some users report battery arrives dead or doesn’t hold charge well
Oil filler placement: Located awkwardly over frame support, difficult to access during oil changes
Limited outlet variety: Could use more diverse outlet options for different applications
Regular maintenance required: Oil changes needed every 50 hours of operation

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User Experience & Expert Opinions

Positive Feedback from Users:

Users consistently praise several aspects of the Champion 3800:

Propane convenience: Being able to use propane means long-term fuel storage without worrying about evaporation or degradation of fuel quality. Propane also tends to start easier in cold weather.
RV air conditioning power: Reliably runs window unit air conditioners in RVs without bogging down or struggling, even on hot days.
Electric starting ease: Users love not having to deal with recoil starting, especially when it’s cold outside or when starting multiple times per day. The push-button start is a major convenience factor.
Dependability and longevity: Many users report years of reliable service with proper maintenance, with some units running for 5+ years without major issues.
Reasonable price: Excellent value compared to similar generators in its power class. Typically $600-800, which is competitive for this power output.
Customer service: Champion’s free lifetime technical support is frequently mentioned as helpful and responsive.

Areas for Improvement:

Several issues came up repeatedly in user reviews:

Choke sensitivity: Cold starting can be tricky due to the sensitive choke adjustment. Takes some practice to get the technique right, especially in freezing temperatures.
Noise level: At 68 dB, it’s noticeably loud and may disturb neighbors in residential areas or fellow campers in campgrounds. It’s louder than inverter generators.
Weight concerns: At 122 pounds, it’s difficult for one person to lift into truck beds or move up stairs. The wheels help, but lifting is still required in many situations.
Oil filler location: Poorly positioned directly over the lower frame support, making it awkward and messy to access during oil changes. Consider using a flexible funnel.
Starter battery problems: Multiple users report the battery arrives dead (DOA) or fails to hold a charge properly after a few months. Consider this a consumable item and keep a spare on hand.
Maintenance access: Some maintenance tasks are more difficult than they should be due to tight spaces and awkward component placement.

Expert Recommendations:

Always use outdoor-rated, heavy-duty extension cords (minimum 10-gauge for high-wattage devices)
Keep extra oil on hand – the 1.2-quart capacity and 50-hour change interval means frequent maintenance
Consider purchasing a spare battery given the reported issues – battery life seems limited
Use wheel chocks on slopes or uneven ground to prevent rolling
For cold weather operation: Use propane, which starts more reliably than gasoline in freezing temps
Break in the engine properly: Run at 50% load for first few hours before maxing it out
Store with fuel stabilizer if using gasoline, or run it dry before long-term storage

Final Verdict

The Champion 3800 Dual Fuel Generator delivers reliable, high-powered performance for RV use and home backup at an attractive price point. With 3,800 watts of continuous output and the flexibility of dual-fuel operation, it handles most RV needs including air conditioning, appliances, and electrical systems without breaking a sweat.

Best For:

RV owners who camp off-grid and need serious power
Home backup power during extended outages
Job sites requiring reliable, high-wattage power
Users who value dual-fuel flexibility and fuel storage options
Budget-conscious buyers who need maximum power per dollar

Not Ideal For:

Quiet campground settings where noise is a concern
Powering sensitive electronics exclusively (computers, medical equipment)
Users who need an ultra-portable, lightweight solution
Anyone unable to lift or move 122 lbs
Situations requiring whisper-quiet operation

The Bottom Line:

If you need substantial power (3,800W continuous), dual-fuel versatility, reliable electric starting, and excellent value, the Champion 3800 is a top choice in its class. Yes, it’s loud at 68 dB and heavy at 122 lbs, but it’s also dependable, powerful, and backed by a solid 3-year warranty with lifetime technical support.

Just remember: this is a conventional generator, not an inverter. It’s built for raw power and reliability, not whisper-quiet operation or pristine sine wave power quality. For most RV applications and home backup scenarios, that’s exactly what you want. The dual-fuel capability is a significant advantage, allowing you to store propane long-term without fuel degradation concerns.

Critical Safety Reminder: Always operate this generator outdoors only, maintain proper distance from buildings (minimum 20 feet), never run in enclosed spaces, and perform regular oil changes every 50 hours to ensure long life and reliable performance. Carbon monoxide from generators is deadly – take safety seriously.

Where to Buy:

Having looked at the various features in our review, the specifications of this generator, its detailed pros and cons, as well as the real-world opinions of various users, you should be well-informed to know if purchasing this generator is the best option for your needs. Let us know how it all went!