Best Briggs & Stratton Generators with USB Ports for 2026

The Generac GP6700E is a premium dual fuel portable generator designed for homeowners preparing for storm season and extended power outages, as well as contractors and outdoor enthusiasts who need dependable backup power. With 8,250 starting watts and 6,700 running watts, this unit can power essential household appliances like refrigerators, freezers, sump pumps, and window air conditioners during emergencies, making it an excellent choice for residential backup power and professional job site applications.

The standout feature is the innovative dual fuel design with a convenient source selector dial that lets you switch between gasoline and liquid propane without shutting down the generator. Paired with a large 7.5-gallon fuel tank, this generator delivers up to 11 hours of continuous runtime on gasoline or 6 hours on a 20-pound LP tank, providing extended outage coverage and peace of mind that power will remain available regardless of fuel supply conditions. The dependable 340cc Generac OHV engine is engineered for long-lasting durability and consistent power output across multiple applications.

Build quality is solid with a compact steel tube cradle frame, heavy-duty wheels, and superior structural strength for easy portability across any terrain. The push-button electric start system with included battery eliminates strenuous manual pull-cord cranking, a significant convenience during stressful emergencies or cold weather conditions. Additional protective features include automatic low-oil level shutdown to safeguard the engine and automatic idle control for fuel efficiency.

The life-saving COsense carbon monoxide detection technology continuously monitors CO levels during operation and automatically shuts down the generator when hazardous levels are detected, protecting you and your family from dangerous CO poisoning. This is especially important if the unit is inadvertently operated in enclosed spaces. The included 3-foot 30A cable adapter and 4-foot LP tank connector hose provide immediate connectivity options straight out of the box.

Overall, the Generac GP6700E delivers exceptional value for homeowners and professionals seeking reliable dual fuel backup power with advanced safety features. The extended runtime, convenient electric start, and industry-leading CO detection technology make this generator a smart investment for emergency preparedness and flexible outdoor power needs.

Power Output: 8,250 starting watts, 6,700 running watts at 60 Hz and 121 volts

Engine: 340cc Generac OHV internal combustion engine with electric start ignition system

Fuel System: Dual fuel (gasoline and liquid propane) with convenient source selector dial, 7.5-gallon steel fuel tank

Runtime: Up to 11 hours at 50% load on gasoline, 6 hours on 20lb propane tank

Dimensions: 27.5 inches length, 27 inches width, 26.5 inches height

Weight: 181 pounds with heavy-duty wheels for portability

Safety Features: COsense carbon monoxide detection, automatic low-oil shutdown, overload protection, automatic idle control

Included Accessories: 3-foot 30A adapter cable, 4-foot LP tank connector hose, battery for electric start, owner's manual

Warranty: 3-year limited warranty

Who Should Buy This Generator? The Generac GP6700E is ideal for homeowners in areas prone to severe weather and extended power outages, contractors requiring portable power on job sites, RV enthusiasts, and anyone who values the flexibility of dual fuel operation and advanced safety features.

Power Requirements: With 6,700 running watts, this generator can power most household essentials including refrigerators, freezers, sump pumps, window AC units, and lighting. Calculate your specific needs by adding up the wattage of appliances you want to run simultaneously.

Fuel Flexibility: The dual fuel capability is a major advantage. You can run on gasoline for convenience or switch to propane for longer storage life and potentially lower costs. Propane tanks are not included and must be purchased separately.

Safety Considerations: The COsense carbon monoxide detection is a critical safety feature. Never operate this generator indoors, in garages, basements, or enclosed spaces regardless of the CO sensor. Always position it outdoors at least 20 feet away from windows and doors.

Portability: At 181 pounds, this is a substantial unit. While it has wheels, you'll need reasonable strength to maneuver it. Consider placement and transport logistics before purchasing.

The Briggs & Stratton 8000W Portable Generator is a residential-grade backup power solution designed for homeowners who prioritize safety, reliability, and convenience. This unit combines a robust 420cc engine with modern safety technology, making it suitable for families seeking dependable emergency power without compromising on peace of mind.

The standout feature is the patent-pending CO Guard carbon monoxide shutdown technology, which automatically detects harmful CO levels and shuts down the generator before dangerous accumulation occurs. Real-world performance data from customer reviews demonstrates exceptional longevity, with multiple users reporting 5 to 10+ years of seasonal use with minimal issues. The 9-hour runtime on a 7.5-gallon tank and 10,000-watt surge capacity enable this generator to power an entire home and run multiple appliances simultaneously.

Build quality reflects the Briggs & Stratton heritage, featuring a durable metal fuel tank, five strategically placed outlets with GFCI protection, and large 12-inch never-flat wheels for easy maneuverability. The electric key start system eliminates the frustration of pull-cord starting during stressful power outages. Routine maintenance is straightforward, requiring only annual oil changes with synthetic oil.

Two notable considerations exist: the generator produces significant noise during operation, which may concern those in noise-sensitive settings, and the oil drain plug positioning makes maintenance slightly awkward. Some users have reported component issues after extended storage, though this appears uncommon when fuel is properly managed during off-season storage.

This generator represents excellent value for homeowners seeking reliable, safe backup power. The combination of proven engineering, advanced safety features, and strong customer testimonials makes it a smart choice for residential emergency preparedness. The 3-year limited warranty and availability of replacement parts further support long-term ownership satisfaction.

Engine & Power Output: 420cc Briggs & Stratton 4-stroke engine, 8000 watts running power, 10000 watts starting power, 50 Hz frequency

Fuel & Runtime: Gasoline-powered, 7.5-gallon metal fuel tank, 9-hour runtime at 50 percent load

Outlets & Voltage: Five total outlets including four GFCI 120V household outlets and one 120/240V 30A locking outlet with rubber protective covers

Starting System: Electric key start with remote choke for convenient push-button operation

Mobility & Design: 12-inch never-flat wheels, fold-up handle for easy transport, compact black/charcoal finish

Safety & Warranty: CO Guard carbon monoxide shutdown technology, 3-year limited warranty, Model 030741

Is This Generator Right For You? This model suits homeowners in areas with frequent power disruptions, those with multiple appliances requiring backup power, and anyone prioritizing safety features. The 8000-watt capacity handles whole-home backup for most residential scenarios.

Key Considerations: Evaluate noise tolerance for your property location, ensure adequate storage space for the unit, and plan for annual maintenance including oil changes. Budget for fuel storage and consider using fuel stabilizer for off-season storage.

Maintenance Tips: Store the generator in a dry location, use fresh fuel with stabilizer, change oil annually using synthetic oil, and run the unit under load every 1-2 months to maintain engine health. Empty the fuel tank completely before long-term winter storage.

Safety Reminders: Never operate the generator indoors or in enclosed spaces. The CO Guard technology provides detection assistance but does not replace proper outdoor placement. Ensure adequate ventilation around the unit during operation and keep the generator at least 20 feet away from windows and doors.

The Briggs & Stratton 6231 Cold Weather Kit is a specialized accessory designed for homeowners and businesses in cold climates who rely on standby generators for backup power. This kit addresses a critical challenge: standard generators often struggle to start and operate reliably when temperatures plummet, leaving you vulnerable during winter storms and outages.

The standout feature is its dual-component heating system. The battery warmer ensures your generator's battery maintains sufficient charge and cranking power, while the two oil heaters keep engine oil at optimal viscosity for cold starts. Both components use thermostat controls that automatically activate as temperature drops, requiring no manual intervention from you.

Build quality reflects Briggs & Stratton's century-long heritage in power equipment. At just 12 ounces, the kit is lightweight and straightforward to install on compatible 16kW and 20kW standby generator systems. The thermostatically controlled design is elegant in its simplicity, avoiding complex electronics that could fail.

The main limitation is compatibility. This kit only works with specific Briggs & Stratton standby generator models in the 16-20kW range, so verify your generator model before purchasing. Installation may require professional help, adding to total cost.

For anyone in a cold climate with a compatible Briggs & Stratton standby generator, this kit is a worthwhile investment. It transforms your generator from unreliable in winter into dependable backup power year-round. The 4-year warranty and proven -25°F performance testing provide confidence in critical situations.

Model Number: 6231

Compatibility: Briggs & Stratton 16kW and 20kW Standby Generator Systems

Included Components: Battery Warmer, Two Oil Heaters

Temperature Rating: Tested to start at -25 degrees Fahrenheit

Control Type: Thermostatically Controlled

Weight: 12 ounces

Color: Gray

Warranty: 4-year limited parts and labor warranty

Manufacturer: Briggs and Stratton Power Products

Who Should Buy This Kit? If you own a Briggs & Stratton 16kW or 20kW standby generator and live in a region where winter temperatures regularly drop below freezing, this kit is a smart investment. It's particularly valuable for those in northern climates or areas prone to severe winter storms.

Installation Considerations: Before purchasing, verify your generator model matches the compatibility list. Professional installation is recommended to ensure the battery warmer and oil heaters are properly connected to your specific generator system.

Performance Expectations: With this kit installed, your generator should reliably start and operate even in extreme cold. The thermostat handles temperature monitoring automatically, so you don't need to manually activate the warmers.

Maintenance: Once installed, the kit requires minimal maintenance. Periodically check connections and ensure the thermostat is functioning properly, especially before winter season arrives.

The GENMAX GM2200i is a portable inverter generator engineered for camping enthusiasts, RV owners, and homeowners seeking reliable backup power without the bulk of traditional generators. Weighing just 41.8 pounds with compact dimensions of 18.9 x 11.4 x 17.3 inches, it delivers genuine portability for solo transport while maintaining substantial power output of 2200 starting watts and 1800 running watts.

Performance stands out in this price category. The 79.7cc 4-stroke OHV engine produces clean power with less than 3% total harmonic distortion, making it safe for sensitive electronics including laptops, CPAP machines, and modern appliances. Runtime reaches an impressive 6 hours at 50% load on a single gallon tank, and the economy mode feature pushes efficiency even further for extended off-grid adventures. Noise output of just 58dB rivals premium competitors, enabling quiet operation in noise-sensitive environments.

Build quality reflects practical design priorities. The unit features three power outlets including one 120V/30A outlet and two 120V/20A outlets, plus parallel-ready capability for future expansion. Safety features are comprehensive, with CO detection shutdown, low oil alarm, overload alarm, and a warning light system protecting both the generator and user from common hazards. The sturdy handle facilitates long-distance carrying without strain.

Some users report governor hunting in economy mode, which may cause minor RPM fluctuations, though this appears inconsistent across units. The 1800-watt running capacity, while respectable, limits simultaneous operation of multiple high-draw appliances compared to larger models. Plastic construction in certain areas raises long-term durability questions for intensive commercial use, though recreational users report satisfaction.

The GENMAX GM2200i represents solid value for recreational users prioritizing portability, quiet operation, and clean power. Its 3-year warranty with lifetime technical support provides confidence, making it an excellent choice for camping trips, emergency home backup, and RV adventures where weight and noise matter.

Power Output: 2200W starting watts, 1800W running watts
Engine: 79.7cc 4-stroke OHV gas engine with recoil start
Noise Level: 58dB at quarter load
Runtime: 6 hours at 50% load with 1-gallon fuel tank
Weight: 41.8 pounds
Dimensions: 18.9L x 11.4W x 17.3H inches
Power Outlets: Two 120V/20A outlets, one 120V/30A outlet (3 total)
Fuel Type: Unleaded gasoline
Special Features: Inverter technology, Economy mode, CO detection shutdown, Parallel-ready, EPA compliant
Warranty: 3-year manufacturer warranty with lifetime technical support

Who Should Buy This Generator? The GENMAX GM2200i suits camping enthusiasts, RV owners, emergency preparedness planners, and homeowners needing portable backup power. Its lightweight design and quiet operation make it ideal for noise-restricted campgrounds and residential areas. The clean power output protects sensitive electronics, making it suitable for charging devices and running small appliances.

What Can It Power? At 1800 running watts, this generator efficiently runs box fans, LED lighting, laptop chargers, small power tools, refrigerators, and entertainment systems. It cannot simultaneously run multiple heavy-draw appliances like air conditioners or large heaters. Use the starting wattage of 2200W for devices requiring initial power surges.

Maintenance Tips: Change oil after the initial break-in period and every 50-100 hours of use. Use fresh, non-ethanol gasoline when possible to prevent carburetor issues. Run the generator under load periodically to maintain optimal performance. Drain fuel and run the carburetor dry before extended storage periods.

Economy Mode Benefits: Enable economy mode during light-load operations to maximize fuel efficiency and extend runtime significantly. This feature reduces engine RPM when full power isn't required, lowering fuel consumption and noise output simultaneously.

The Briggs & Stratton 4375W Dual Fuel Inverter Generator is a premium portable power solution designed for homeowners, RV enthusiasts, and outdoor adventurers who demand reliability and flexibility. With 4375 starting watts and 3500 running watts, this unit handles both emergency home backup and extended off-grid applications with confidence. The dual fuel option sets it apart, allowing you to switch between gasoline and propane based on availability and preference.

What truly distinguishes this generator is its inverter technology combined with Automatic Voltage Regulation, which delivers clean, stable power to sensitive electronics like laptops, tablets, and televisions without harmful voltage spikes. The 60dB operating noise level is remarkably quiet for an open-frame design, making it suitable for campgrounds and residential neighborhoods. Runtime is impressive at 11.5 hours on gas or 11 hours on propane at 25% load, while the 3-gallon tank and Auto Idle Control maximize fuel efficiency during lighter demand periods.

The build quality reflects Briggs & Stratton's industrial heritage, combining aluminum, steel, and polypropylene construction into a compact 22.8 x 20.5 x 20.4-inch footprint. The included 8-inch wheel kit and foldable handle make transport manageable despite the 97-pound weight. The RV-ready control panel features a dedicated RV receptacle, two 120V household outlets, and two USB Type-A ports, providing versatile connectivity for multiple devices and appliances simultaneously.

Safety is paramount with ANSI/PGMA G300 certified CO detection and automatic shutoff, low-oil shutdown protection, and built-in overload protection. The 3-year consumer warranty and EPA/CSA/UL certifications provide additional peace of mind. The main consideration is that dual fuel systems require slightly more maintenance knowledge than single-fuel generators, and the open-frame design occupies more space than enclosed alternatives.

This generator earns its premium positioning as a comprehensive solution for anyone needing dependable portable power with exceptional flexibility and safety features. Whether for emergency backup, RV adventures, or remote work sites, the combination of dual fuel capability, clean power output, and quiet operation makes it a solid investment for reliable power when you need it most.

Power Output: 4375 watts starting, 3500 watts running at 120V AC
Engine: 208cc OHV 4-Stroke Briggs & Stratton
Fuel Type: Gasoline or Liquefied Petroleum Gas (LPG)
Fuel Tank Capacity: 3 gallons
Runtime: 11.5 hours on gas, 11 hours on propane at 25% load
Operating Noise: 60 dB
Weight: 97 pounds
Dimensions: 22.8 inches L x 20.5 inches W x 20.4 inches H

Outlets and Ports: 1 RV receptacle, 2 x 120V household outlets, 2 x USB Type-A ports
Special Features: Inverter technology, Automatic Voltage Regulation (AVR), CO sensor with shutoff, low-oil shutdown, hour meter, foldable handle, 8-inch wheels
Certifications: EPA approved, CSA certified, UL safety listed, ANSI/PGMA G300 CO detection
Warranty: 3-Year Consumer / 1-Year Commercial Limited
Model Number: 033045

Who Should Buy This Generator? This model is ideal for RV owners who need reliable campsite power, homeowners seeking emergency backup during outages, and off-grid enthusiasts who value fuel flexibility. The inverter technology makes it perfect for protecting sensitive electronics like computers and medical devices. The dual fuel capability appeals to users who want maximum flexibility in fuel sourcing.

When Is This Generator Right for You? Choose this generator if you need clean power output for sensitive equipment, value quiet operation for residential or campground use, require extended runtime between refueling, or want the flexibility of switching fuel types. The RV-ready features make it particularly suitable for camping and travel applications.

Consider Alternatives If: You only need single-fuel operation and want to reduce complexity, require extremely portable weight for frequent movement, or need significantly higher wattage output for heavy-duty applications. If budget is the primary concern, entry-level generators without inverter technology may offer lower price points.

Parallel Capability: This generator can be paired with a compatible second unit using a parallel kit (sold separately) to double your available power output, making it scalable for growing power needs without replacing the entire unit.

The Generac IQ4000 is a 4000-watt dual fuel inverter generator engineered for recreational users, RV owners, and homeowners seeking dependable backup power. Its compact, portable design with integrated handle and never-flat wheels makes it practical for camping trips, tailgating events, job sites, and emergency home backup. The dual fuel capability sets it apart from single-fuel competitors, allowing users to switch between gasoline and propane based on availability and cost.

The standout feature is its inverter technology, which generates ultra-clean power specifically designed for sensitive electronics like laptops, smartphones, and modern camping equipment. The push-button electric start with automatic choke eliminates the frustration of pull-cord starting, while the intelligent LED display provides real-time visibility into power output and fuel consumption. Economy Mode intelligently reduces noise and fuel consumption without sacrificing power delivery, making it neighborhood-friendly and cost-effective for extended use.

Build quality reflects Generac's reputation for durability, featuring a steel frame enclosure and robust construction rated for both work and recreational environments. The 13-hour gasoline runtime and 16-hour propane runtime at 50% load capacity provide extended operation between refueling, while five power outlets plus USB ports accommodate multiple devices. Integrated CO sense technology automatically detects and protects against dangerous carbon monoxide levels, adding critical safety protection for indoor or semi-enclosed use.

The primary limitation is the 3000-watt running output, which may struggle with high-demand appliances like large air conditioners or electric water heaters. At 111 pounds, portability is good but not ultralight compared to smaller models. Additionally, the lack of customer reviews means real-world reliability data from actual users is unavailable at launch.

The Generac IQ4000 represents excellent value for users prioritizing clean power, quiet operation, and fuel flexibility over maximum wattage. It excels for RV camping, recreational use, and backup power in residential settings where noise matters and sensitive electronics need protection.

Power Output: 4000 watts starting, 3000 watts running at 120 volts

Fuel System: Dual fuel (gasoline and liquid propane), 3.2-gallon tank capacity, 13-hour runtime on gasoline or 16-hour runtime on 20lb propane tank at 50% load

Engine: 6.5 horsepower, 212cc displacement with electric start and automatic idle control

Power Outlets: 5 total outlets plus 2 USB ports for device charging

Safety Features: Integrated CO sense technology, automatic idle control, electric start with battery included

Dimensions and Weight: 24.6L x 20.3W x 22.4H inches, 111 pounds with integrated handle and never-flat wheels

Warranty: 3-year limited warranty with 2-year EU spare parts availability

Who Should Buy: The IQ4000 is ideal for RV owners, campers, tailgaters, and homeowners needing portable backup power. It's perfect for anyone prioritizing quiet operation and clean power for sensitive electronics over maximum wattage capacity.

Best Use Cases: Camping and outdoor recreation, RV power supply, emergency home backup, job site power, tailgating events, and locations where noise restrictions apply.

Key Considerations: Verify your power requirements before purchasing. The 3000-watt running capacity handles most camping appliances, tools, and electronics but may not support large air conditioners or electric heaters. If you need higher wattage, consider Generac's larger models. The dual fuel option adds flexibility and cost savings over time, especially if propane is readily available in your area.

Maintenance: Follow Generac's recommended maintenance schedule for oil changes and seasonal storage. The included manual provides detailed instructions. Regular maintenance ensures long-term reliability and performance.

The Briggs & Stratton 6250W Dual Fuel Inverter Generator is a premium portable power solution designed for homeowners, RV enthusiasts, and anyone needing reliable backup electricity. With its impressive 6250 starting watts and 5000 running watts, combined with dual fuel capability, this generator offers the flexibility and raw power needed for both emergency home backup and extended off-grid adventures.

What truly sets this generator apart is its combination of advanced inverter technology, Automatic Voltage Regulation, and quiet operation. The built-in inverter ensures a clean, stable 60 Hz output that safely powers sensitive electronics like laptops and mobile devices without harmful voltage spikes. The innovative open-frame design with built-in muffler keeps noise levels down to a neighborhood-friendly 60 dB, significantly quieter than comparable models. With an 11.4-hour runtime on gasoline or 9 hours on propane at 25% load, you get extended use between refueling, making it practical for real-world scenarios.

Build quality reflects Briggs & Stratton's reputation for durability, with a robust 306cc OHV 4-stroke engine housed in a construction of aluminum, steel, and polypropylene. The comprehensive control panel includes an RV receptacle, three 120V household outlets, and two USB Type-A ports, covering virtually every power need. Safety is prioritized with ANSI/PGMA G300 certified CO detection and shutoff, low-oil shutdown, and automatic overload protection, giving you peace of mind during operation.

The main limitation is portability due to its 136-pound weight, though the included 8-inch wheel kit helps manage this. The open-frame design also requires weather protection during outdoor use. Additionally, there are currently no user reviews available to confirm real-world performance and long-term reliability.

This is an excellent choice for those prioritizing power capacity, fuel flexibility, and clean electricity output over lightweight portability. It represents solid value for homeowners, RV owners, and serious outdoor enthusiasts who need dependable backup or off-grid power.

Power Output: 6250 starting watts / 5000 running watts at 120V and 240V
Engine: 306cc OHV 4-Stroke Briggs & Stratton
Fuel Type: Gasoline or Liquefied Petroleum Gas (dual fuel)
Fuel Tank Capacity: 5 gallons
Runtime: 11.4 hours on gas / 9 hours on propane at 25% load
Noise Level: 60 dB
Voltage Output: 120/240V AC, 60 Hz

Power Delivery: 41.66 amps at 120V / 20.83 amps at 240V
Dimensions: 26.5 inches L x 21 inches W x 22.6 inches H
Weight: 136 pounds
Materials: Aluminum, steel, and polypropylene construction
Outlets: 1 RV receptacle, 3 x 120V household outlets, 2 x USB Type-A ports
Certifications: EPA approved, CSA certified, UL safety listed, C.A.R.B. certified (49 state)
Warranty: 3-year consumer / 1-year commercial limited warranty

Who Should Buy This Generator? This model is ideal for homeowners seeking reliable backup power for major appliances during outages, RV owners needing portable 120/240V power, and off-grid enthusiasts who value fuel flexibility and extended runtime. The dual fuel capability makes it particularly valuable in areas where fuel availability varies seasonally.

Power Requirements: With 5000 running watts, this generator can reliably power most household appliances including refrigerators, water heaters, air conditioning units, and multiple devices simultaneously. Use the 41.66 amps at 120V or 20.83 amps at 240V to calculate compatibility with your specific needs.

Fuel Considerations: The dual fuel design allows you to store propane long-term without degradation, making propane ideal for emergency backup. Gasoline offers better availability but requires fuel stabilizer for storage. The 5-gallon tank provides substantial runtime, reducing refueling frequency during extended use.

Noise and Placement: At 60 dB, this generator is suitable for residential areas and campgrounds where noise restrictions exist. However, the open-frame design requires weather protection from rain. Consider a generator cover or canopy for outdoor installations, ensuring proper ventilation to prevent CO buildup.

Parallel Operation: For double the power output, you can connect two compatible units using a parallel kit (sold separately). This scalability makes it a future-proof investment for growing power needs.