Best Portable Generators of May 2026

The Best Portable Generators for May 2026

Whether you need backup power during storm season, a quiet companion for RV camping, or a reliable source of clean electricity for sensitive electronics, the portable generator market in May 2026 offers strong options across every budget and use case. This month, our top pick - the Westinghouse iGen2800DFc - held steady at number one thanks to its dual-fuel flexibility and excellent overall score. The Honda EU2200i climbed one spot to number two after the WEN DF280iX slipped to third, though both remain excellent choices in their respective niches. We also welcome a new addition this month: the Firman W01784, which earns the tenth spot with its compact build and generous accessory kit. On the pricing front, the Honda EB2200i saw a notable price drop, making it more accessible for buyers who want industrial-grade Honda reliability. The Cummins Onan P2500i also became slightly more affordable. All ten picks are inverter generators producing clean power safe for laptops, phones, and medical devices. Use our Generator Finder tool at the top of the site to match your specific wattage needs to the right model, or read on for our detailed breakdown of each pick.

How We Chose These Generators

We evaluate every portable generator using a weighted scoring system that accounts for running wattage, runtime efficiency, noise level, build quality, safety features, warranty length, and overall value. Each generator receives a total score out of 10. We prioritize models with carbon monoxide sensors, automatic low-oil shutdown, and covered outlets as baseline safety requirements. For this guide, we selected the highest-scoring portable generators across a range of wattage classes and price points to ensure every reader finds a relevant recommendation. We track pricing weekly and note any active sales or recent price changes. Dual-fuel capability, parallel operation support, and THD ratings all factor into our assessments. We also consider real-world usability factors like weight, included accessories, and warranty terms. Our Generator Finder tool uses the same underlying data, so you can filter by your exact requirements and see how these picks compare to hundreds of other models in our database.

1. Westinghouse iGen2800DFc — $549

Best for RV camping, emergency backup, and anyone wanting dual-fuel reliability

Best overall portable generator with dual-fuel flexibility and top-tier safety features

The Westinghouse iGen2800DFc remains our top pick for the second consecutive month, and for good reason. It delivers 2,200 running watts on gasoline or 1,980 on propane, giving you fuel flexibility that matters most during emergencies when gas stations may be offline. At just 45.4 pounds with a 52 dBA noise level, it strikes an ideal balance between power output and portability. The carbon monoxide sensor, automatic low-oil shutdown, and less than 3% THD output make it one of the safest and cleanest generators in its class. With 12 hours of runtime at 25% load on gas and an impressive 38 hours on propane, you can run essential appliances through an entire night without refueling. The TT-30R outlet makes it RV-ready out of the box, and parallel capability means you can double your power later. Also available as the Westinghouse iGen2800 and Westinghouse iGen2800c if you prefer a gasoline-only configuration at a lower price point.

Key Specs: 2200W running / 2800W starting (gasoline) · 1980W running / 2520W starting (propane) · 52 dBA noise level · 45.4 lbs · 12 hours runtime at 25% load (gasoline) · 38 hours runtime at 25% load (propane) · <3% THD · Carbon monoxide sensor · Parallel capable · 3-year warranty

Pros:

• Dual-fuel operation with excellent propane runtime
• Lightweight at 45.4 pounds for easy transport
• Carbon monoxide sensor and automatic low-oil shutdown
• RV-ready with TT-30R outlet
• Clean power under 3% THD for sensitive electronics
• Parallel capable for doubled output when needed
• Includes oil, funnel, tool kit, and propane hose

Cons:

• Recoil start only - no electric start option
• 1.1-gallon tank is small for extended gasoline use
• No USB outlets built in
• No wheel kit included

Also available: Westinghouse iGen2800 — $499 · Westinghouse iGen2800c — $499

2. Honda EU2200i — $999

Best for buyers who prioritize quiet operation, long-term reliability, and brand support

Premium inverter generator with legendary Honda reliability and whisper-quiet 48 dBA operation

The Honda EU2200i moved up one spot this month, and it continues to set the standard for quiet, reliable portable power. At just 48 dBA, it is the quietest generator on this list alongside its industrial sibling, producing less noise than a typical conversation. The Honda GXR120 engine with a cast iron cylinder sleeve is engineered for thousands of hours of service life, which is why Honda generators maintain strong resale value years after purchase. You get 1,800 running watts of clean 3% THD power, enough for a refrigerator, lights, fans, and device chargers simultaneously. The 8.1-hour runtime at 25% load from a compact 0.95-gallon tank demonstrates Honda's fuel efficiency engineering. It costs roughly twice what budget options run, but the build quality, dealer network, and long-term durability justify the investment for serious users. Also available as the Honda EU2200i Companion with a 30A outlet designed specifically for parallel operation with RV systems.

Key Specs: 1800W running / 2200W starting · 48 dBA noise level · 47.4 lbs · 8.1 hours runtime at 25% load · 3% THD · Honda GXR120 engine with cast iron sleeve · Carbon monoxide sensor · Parallel capable · 3-year warranty

Pros:

• Exceptionally quiet at 48 dBA
• Honda GXR120 engine built for extreme longevity
• Carbon monoxide detection system
• Strong resale value
• Extensive dealer and service network
• Covered duplex outlets protect connections

Cons:

• Premium price point - roughly double the budget alternatives
• Gasoline only - no dual-fuel option
• No USB outlets or 12V DC output
• Smaller 0.95-gallon tank limits continuous runtime
• Recoil start only

Also available: Honda EU2200i Companion — $999

3. WEN DF280iX — $391

Best for budget-conscious buyers who want maximum watts and dual-fuel flexibility

Best value dual-fuel inverter with the highest running watts under budget pricing

The WEN DF280iX slipped one position this month and saw a slight price increase, but it remains the best value proposition for buyers who want dual-fuel capability and high wattage without spending a premium. At 2,250 running watts on gasoline, it actually delivers more continuous power than our top pick while costing significantly less. The 1.2% THD rating is the lowest on this list, making it exceptionally safe for sensitive electronics. You get USB-A ports, a 12V DC outlet, and a fuel gauge - features that some pricier competitors omit. The 9-hour runtime at 50% load on gasoline and 13.9 hours on propane provide solid endurance. The tradeoff is a higher 60 dBA noise level, which is still conversational but noticeably louder than the 48-52 dBA models above it. Also available as the WEN 56280iX in a gasoline-only configuration at a similar price.

Key Specs: 2250W running / 2800W starting (gasoline) · 2000W running / 2800W starting (propane) · 60 dBA noise level · 45.2 lbs · 9 hours runtime at 50% load (gasoline) · 13.9 hours runtime at 50% load (propane) · 1.2% THD · Carbon monoxide sensor · USB-A ports and 12V DC outlet · 3-year warranty

Pros:

• Highest running wattage on this list at 2,250W
• Lowest THD at 1.2% for ultra-clean power
• Dual-fuel with strong propane runtime
• Most affordable dual-fuel option on this list
• Built-in fuel gauge
• USB-A and 12V DC outlets included
• Carbon monoxide sensor standard

Cons:

• Loudest on this list at 60 dBA
• Price increased slightly since last month
• No 30A RV outlet
• No electric start option

Also available: WEN 56280iX — $386

4. Westinghouse iGen1500c — $349

Best for ultralight camping, CPAP users, and minimal emergency backup needs

Ultra-compact 33-pound inverter ideal for light camping and basic emergency power

The Westinghouse iGen1500c holds steady at number four and fills an important niche: buyers who need the lightest, most portable generator possible without sacrificing safety features. At just 33 pounds, it is the second-lightest on this list and easy for anyone to carry with one hand. The 1,000 running watts handles phone chargers, laptops, LED lights, a small fan, and a CPAP machine simultaneously, making it perfect for tent camping or as a minimal emergency backup. The carbon monoxide sensor and CARB compliance demonstrate that Westinghouse did not cut safety corners to hit this weight class. The 12-hour runtime at 25% load from a tiny 0.79-gallon tank shows impressive fuel efficiency from the 56cc engine. Parallel cables are included in the box, so you can pair two units for 2,000 running watts without buying additional accessories.

Key Specs: 1000W running / 1500W starting · 52 dBA noise level · 33 lbs · 12 hours runtime at 25% load · <3% THD · 56 cc engine · Carbon monoxide sensor · Parallel cables included · CARB and EPA compliant · 3-year warranty

Pros:

• Ultra-lightweight at just 33 pounds
• Parallel cables included in the box
• 12-hour runtime from a tiny tank
• Carbon monoxide sensor included
• CARB compliant for California use
• USB-A ports for direct device charging
• Compact 17 x 10.5 x 16 inch footprint

Cons:

• Only 1,000 running watts - cannot power large appliances
• Gasoline only - no dual-fuel option
• No 30A outlet or RV-ready connection
• No fuel gauge
• No 12V DC outlet

5. Cummins Onan P2500i — $784

Best for buyers who want industrial-brand reliability with strong runtime at a mid-range price

Trusted industrial brand delivering 2200 running watts with 10-hour runtime and clean power

Note: This generator was $769 at the time of this guide's publishing.

The Cummins Onan P2500i holds its fifth-place position and recently became slightly more affordable, making it an even stronger mid-range contender. Cummins is a name synonymous with industrial power generation, and the P2500i brings that pedigree to the portable market. With 2,200 running watts and a 10-hour runtime at 25% load, it matches the Westinghouse iGen2800DFc in continuous output while offering a longer runtime per tank. The 52 dBA noise level keeps it campground-friendly, and the less than 3% THD protects your electronics. The 1-gallon tank and 8-hour runtime at 50% load mean most users refuel just once per day. It includes oil, a funnel, and a tool kit, though it lacks the dual-fuel capability of our top pick. The 3-year warranty from Cummins carries significant weight given their extensive service infrastructure.

Key Specs: 2200W running / 2500W starting · 52 dBA noise level · 48 lbs · 10 hours runtime at 25% load · 8 hours runtime at 50% load · <3% THD · 12V DC and USB outlets · Fuel gauge included · CARB and EPA compliant · 3-year warranty

Pros:

• Cummins brand reliability and service network
• 10-hour runtime at 25% load
• Fuel gauge for easy monitoring
• 12V DC and USB charging ports
• Recently became more affordable
• CARB compliant for California use

Cons:

• Gasoline only - no propane option
• Heavier than similarly-rated competitors at 48 lbs
• No carbon monoxide sensor
• No 30A RV outlet
• Priced between budget and premium tiers

6. DuroMax XP2300iH — $549

Best for propane-focused users who want maximum runtime and modern USB-C charging

Feature-packed dual-fuel inverter with wheel kit, USB-C, and marathon propane runtime

Note: This generator was $549 at the time of this guide's publishing.

The DuroMax XP2300iH holds steady at number six and represents exceptional value with its current sale pricing - roughly a hundred and fifty dollars below its regular price. What sets it apart is the combination of features you rarely see at this price point: a wheel kit for easy transport, both USB-A and USB-C ports, an L5-30R locking outlet, and an extraordinary 38-hour runtime at 25% load on propane. That propane runtime is the longest on this list and means you can run essential devices for nearly two full days without touching the generator. The 1,800 running watts on gasoline handles a refrigerator, lights, and device charging comfortably. At 52 dBA, it matches the quieter models despite having a wheel kit that adds bulk. The bonded neutral design and 3-year warranty round out a compelling package. Parallel cables are included in the box.

Key Specs: 1800W running / 2300W starting (gasoline) · 1700W running / 2150W starting (propane) · 52 dBA noise level · 50.6 lbs with wheel kit · 13 hours runtime at 25% load (gasoline) · 38 hours runtime at 25% load (propane) · USB-A and USB-C ports · Wheel kit included · Carbon monoxide sensor · 3-year warranty

Pros:

• Wheel kit included for easy mobility
• 38-hour propane runtime at 25% load is exceptional
• USB-C port for modern device charging
• L5-30R locking outlet for secure connections
• Parallel cables included
• Carbon monoxide sensor standard
• Currently on sale at a significant discount

Cons:

• Heavier than competitors at 50.6 lbs
• Sale price may not last
• THD rating listed as 'Low' without specific percentage
• 80cc engine is smaller than some 1800W competitors

7. WEN 56235i — $376

Best for weight-conscious buyers who need quiet mid-range power with ultra-clean output

Lightest mid-range inverter at 39 pounds with ultra-low 1.2% THD and quiet 51 dBA operation

Note: This generator was $376 at the time of this guide's publishing.

The WEN 56235i holds steady at number seven and offers a compelling middle ground: more power than the ultralight 1000W class but lighter and quieter than most 2000W+ generators. At 39 pounds and 51 dBA, it is one of the lightest and quietest options delivering 1,900 running watts. The 1.2% THD matches its dual-fuel sibling (the DF280iX) for the cleanest power on this list. The 10.5-hour runtime at 25% load from a 1.1-gallon tank demonstrates strong fuel efficiency, and the 7-hour runtime at 50% load covers most camping evenings or tailgating sessions. It includes a fuel gauge and 12V DC outlet, though it lacks USB ports and a carbon monoxide sensor. The 2-year warranty is shorter than most picks on this list, which is worth noting. Also available as the WEN 56235iX with additional features at a slightly higher price.

Key Specs: 1900W running / 2350W starting · 51 dBA noise level · 39 lbs · 10.5 hours runtime at 25% load · 7 hours runtime at 50% load · 1.2% THD · Fuel gauge included · 12V DC outlet · Parallel capable · 2-year warranty

Pros:

• Very light at 39 pounds for 1900W output
• Ultra-quiet 51 dBA operation
• 1.2% THD for exceptionally clean power
• Fuel gauge for easy level monitoring
• Strong runtime efficiency
• Currently on sale

Cons:

• No carbon monoxide sensor
• No USB ports
• 2-year warranty is shorter than competitors
• EPA only - not CARB compliant
• Gasoline only

Also available: WEN 56235iX — $433

8. Honda EB2200i — $1,200

Best for commercial job sites, contractors, and professionals needing GFCI and bonded neutral compliance

Industrial-grade Honda with GFCI outlets, bonded neutral, and CO-MINDER safety system

Note: This generator was $1200 at the time of this guide's publishing.

The Honda EB2200i recently dropped about a hundred dollars, making this industrial-spec generator more accessible than it has been in months. It shares the same Honda GXR120 engine and 48 dBA whisper-quiet operation as the EU2200i above, but adds GFCI-protected outlets and a bonded neutral - features required on many commercial job sites. The CO-MINDER carbon monoxide detection system provides an extra layer of safety for enclosed or semi-enclosed work environments. If you work in construction, event production, or any field where OSHA compliance matters, this is the generator to choose. The 1,800 running watts and 3% THD handle power tools and sensitive test equipment equally well. It is essentially the EU2200i built to industrial safety standards, which explains the price premium over its consumer sibling. The recent price reduction narrows that gap considerably.

Key Specs: 1800W running / 2200W starting · 48 dBA noise level · 47.4 lbs · 8.1 hours runtime at 25% load · 3% THD · GFCI-protected outlets · Bonded neutral · CO-MINDER detection system · Honda GXR120 engine · 3-year commercial warranty

Pros:

• GFCI outlets meet job site safety requirements
• Bonded neutral for commercial compliance
• CO-MINDER carbon monoxide detection
• Same legendary Honda GXR120 engine as EU2200i
• 48 dBA is tied for quietest on this list
• Recently dropped in price significantly

Cons:

• Most expensive generator on this list
• Gasoline only
• No USB or 12V DC outlets
• Identical power specs to the cheaper EU2200i
• Overkill for casual home or camping use

9. Pulsar PGD16iSCO — $276

Best for first-time buyers, ultralight portability needs, and budget-conscious shoppers

Most affordable and lightest generator on the list at just 24 pounds with CO sensor

Note: This generator was $276 at the time of this guide's publishing.

The Pulsar PGD16iSCO is the most affordable and lightest generator on this entire list, weighing just 24 pounds - light enough to carry with one hand like a small suitcase. At its current sale price, it costs roughly half what our top pick runs, making it an excellent entry point for first-time generator buyers or anyone who needs basic portable power without a major investment. The 1,200 running watts handles phone chargers, laptops, LED lights, a small fan, and a CPAP machine. The carbon monoxide sensor is a standout safety feature at this price point, as many budget generators omit it. The 3% THD keeps your electronics safe, and the USB-A ports eliminate the need for separate adapters. The 6.5-hour runtime at 50% load from a tiny 0.6-gallon tank is reasonable given the compact size. CARB compliance means California buyers can purchase with confidence.

Key Specs: 1200W running / 1600W starting · 56 dBA noise level · 24 lbs · 6.5 hours runtime at 50% load · 3% THD · Carbon monoxide sensor · USB-A ports · CARB and EPA compliant · Parallel capable · 3-year warranty

Pros:

• Lightest on the list at just 24 pounds
• Most affordable option available
• Carbon monoxide sensor at a budget price
• CARB compliant
• USB-A ports for direct device charging
• Parallel capable for future expansion
• 3-year warranty matches premium competitors

Cons:

• Only 1,200 running watts limits appliance options
• Tiny 0.6-gallon tank requires frequent refueling
• 56 dBA is louder than similarly-sized competitors
• No fuel gauge
• No 12V DC outlet

10. Firman W01784 — $700

Best for RV owners and buyers who want a complete ready-to-use kit with locking outlets

New to the list: feature-rich 1700W inverter with RV adapter, battery cables, and L5-30R outlet

Note: This generator was $605 at the time of this guide's publishing.

The Firman W01784 is new to our top 10 this month, earning its spot through a generous accessory package and versatile outlet configuration that competitors at this price point simply do not match. It includes an RV adapter, battery charging cables, oil, a funnel, and a tool kit right in the box. The L5-30R locking outlet provides a secure connection for RVs and transfer switches, while the standard 5-20R handles everyday devices. At 1,700 running watts and 2,100 peak watts, it sits in the sweet spot for powering a refrigerator, several lights, and device chargers simultaneously. The 80cc engine with a cast iron cylinder sleeve suggests durability beyond typical budget generators, and the 9-hour runtime at 25% load from a 0.9-gallon tank is efficient. At 54 dBA, it runs quieter than a normal conversation. The 3-year warranty from Firman and CARB compliance round out a strong package. Also available as the Firman W01785 with slightly different specifications.

Key Specs: 1700W running / 2100W starting · 54 dBA noise level · 45.9 lbs · 9 hours runtime at 25% load · <3% THD · L5-30R locking outlet · Cast iron cylinder sleeve · RV adapter and battery cables included · CARB and EPA compliant · 3-year warranty

Pros:

• Most complete accessory kit on this list
• L5-30R locking outlet for RVs and transfer switches
• Cast iron cylinder sleeve for engine longevity
• Battery charging cables included
• CARB compliant
• Currently on sale at a significant discount

Cons:

• Gasoline only - no dual-fuel option
• Only one USB port
• No carbon monoxide sensor
• Heavier than some competitors with similar wattage
• Sale price may not last

Also available: Firman W01785 — $639

How to Choose the Right Portable Generator

• Calculate your total wattage needs first. Add up the running watts of every device you plan to power simultaneously, then ensure the generator's starting watts can handle the highest surge from any single appliance. Our guide at /guides/how-to-size-a-generator-for-your-home-without-guessing-or-overbuying walks you through this process.
• Decide between gasoline-only and dual-fuel. Propane stores indefinitely, is available during power outages when gas stations are down, and burns cleaner. If emergency preparedness is your primary use case, dual-fuel models like the Westinghouse iGen2800DFc, WEN DF280iX, or DuroMax XP2300iH offer critical flexibility.
• Consider noise level relative to your environment. Campgrounds often enforce noise limits, and residential neighborhoods have ordinances. The Honda models at 48 dBA are nearly silent, while the WEN DF280iX at 60 dBA is noticeably louder. Every 10 dBA increase sounds roughly twice as loud to human ears.
• Weight matters more than you think. If you will carry the generator to campsites, load it into a truck bed regularly, or store it on a high shelf, the difference between 24 pounds (Pulsar) and 50 pounds (DuroMax) is significant. Consider whether a wheel kit is included or available.
• Check THD ratings if you power sensitive electronics. All generators on this list produce clean power, but the WEN models at 1.2% THD are measurably cleaner than the 3% THD Honda units. Both are safe for electronics, but lower is better for precision equipment. Read more at /guides/why-some-generators-kill-appliances-and-others-dont.
• Look for carbon monoxide sensors as a non-negotiable safety feature. Seven of our ten picks include CO sensors that automatically shut down the generator if dangerous levels are detected. This feature saves lives and should be a baseline requirement for any generator used near living spaces.
• Factor in total cost of ownership, not just purchase price. A Honda generator costs more upfront but lasts longer, holds resale value, and has readily available parts. A budget WEN or Pulsar saves money now but may need replacement sooner. Both approaches are valid depending on your usage frequency.
• Use our Generator Finder tool to compare models side by side based on your specific requirements. Filter by wattage, fuel type, noise level, weight, and features to find exactly what matches your needs without scrolling through hundreds of options.

Important Safety Notes

⚠️ WARNING: NEVER run or NEVER operate a generator indoors, in a garage, in a basement, or in any enclosed or partially enclosed space. Carbon monoxide is an odorless, colorless gas that can kill within minutes. Always place your generator outdoors only, at least 20 feet away from windows, doors, and vents, with the exhaust pointing away from any occupied structure.

⚠️ WARNING: NEVER connect or NEVER plug a generator directly into a wall outlet or your home's electrical panel. This creates backfeed that can electrocute utility workers and damage your generator and home wiring. Always use a transfer switch installed by a licensed electrician to connect a generator to household circuits. A transfer switch isolates your home from the grid and prevents dangerous backfeed.

⚠️ WARNING: Store fuel in approved containers designed for the specific fuel type (gasoline or propane) and keep them away from living areas, ignition sources, and the generator itself while it is running or hot. Never refuel a running or hot generator - allow it to cool for at least two minutes before adding gasoline.

⚠️ WARNING: Seven of the ten generators on this list include carbon monoxide sensors that automatically shut down the unit if dangerous CO levels are detected. While this is an excellent safety feature, it is not a substitute for proper placement. Always position the generator outdoors only and at least 20 feet from any opening into an occupied building.

⚠️ WARNING: Ground your generator according to the manufacturer's instructions and local electrical codes. If using in wet conditions, protect the generator with an overhead canopy designed for generator use, and never touch the unit with wet hands. All generators on this list feature covered outlets, but the unit itself needs protection from direct rain.

Learn More

• Inverter Generators vs Conventional Generators: Differences and Benefits
• How to Size a Generator for Your Home Without Guessing or Overbuying
• Best Generators Under $500 of May 2026
• Best Generators for RV Camping 2026
• Quietest Generators of May 2026
• Why Generators Damage Electronics and Appliances (And How to Prevent It)
• April 2026 Generator Deal Roundup: Notable Savings on Inverter and...