best portable generator costco

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Before testing this Westinghouse 12500 Watt Dual Fuel Home Backup Portable generator, I never realized how much hassle a weak power supply could cause during outages. This beast offers 9500 running watts on gasoline—plenty to power essential appliances—and up to 12 hours of runtime on a single tank. It’s packed with features like remote start, durable engine, and multiple outlets, making it a real game-changer for home backup or outdoor work. Trust me, the real-time digital VFT display and ease of starting mean less frustration when it’s crunch time.

Compared to smaller or less versatile options, the Westinghouse stands out because it handles high loads effortlessly and offers safety features like rubber-covered outlets and low oil shutdown. It’s heavier, sure, but that’s because of the solid build quality. After thorough comparison, this model’s combination of power, reliability, and user-friendly features makes it the best all-around choice—especially if you want a generator that’s ready to go whenever you need it. Honestly, it’s a smart investment for peace of mind during outages or outdoor projects.

Top Recommendation: Westinghouse 12500 Watt Dual Fuel Home Backup Portable

Why We Recommend It: This generator’s dual fuel capability provides flexibility, letting you switch between gasoline and propane based on availability. Its 9500-watt continuous power output handles demanding loads, and the remote start adds convenience. The sturdy 457cc engine with safety features like low oil shutdown ensures durability and reliability. Compared to smaller portable stations, it’s better suited for whole-home backup or large outdoor setups, offering a superior balance of power, safety, and user-friendly features.

Best portable generator costco: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewWestinghouse 12500 Watt Dual Fuel Home Backup PortablePortable Power Station 300W 257wh Lithium Battery BailibattPortable Power Station 600W 293Wh with AC & PD Outlets
TitleWestinghouse 12500 Watt Dual Fuel Home Backup PortablePortable Power Station 300W 257wh Lithium Battery BailibattPortable Power Station 600W 293Wh with AC & PD Outlets
Power Output (Watts)9500 Running / 12500 Peak300W600W
Fuel TypeGasoline / Propane
Run Time (Hours)Up to 12 hours
Battery Capacity / Power Storage257Wh293Wh
Inverter TypeStandard AC outlets, Pure Sine WavePure Sine Wave ACPure Sine Wave AC
Number of Outlets2 GFCI 120V, 1 Transfer Switch, 1 RV Outlet2 AC outlets, 1 USB-C PD, 1 USB-C, 2 fast charge ports, 1 Car port, 1 DC port1 AC outlet, 1 USB-C PD, 1 USB-C, 2 fast charge ports, 1 Car port, 1 DC port
Display / MonitoringVFT display (voltage, frequency, hours)LCD screen (status, voltage, current, temperature)
Additional FeaturesRemote start, automatic low oil shutdown, digital hour meter, safety covers
Available

Westinghouse 12500 Watt Dual Fuel Home Backup Portable

Westinghouse 12500 Watt Dual Fuel Home Backup Portable
Pros:
  • Powerful dual fuel operation
  • Remote start convenience
  • Long runtime
Cons:
  • Heavy to move
  • Slightly loud during operation
Specification:
Starting Method Remote Start with Key Fob, Electric and Recoil Start
Rated Power 9500 Watts (Gasoline), 8500 Watts (Propane)
Peak Power 12500 Watts (Gasoline), 11200 Watts (Propane)
Fuel Capacity 6.6 Gallons
Run Time Up to 12 hours at 50% load
Engine 457cc Westinghouse 4-Stroke OHV with cast iron sleeve

Imagine you’re in the middle of a summer BBQ, lights flickering as a sudden storm rolls through. You reach for the Westinghouse 12500 Watt Dual Fuel Generator, knowing it’s ready to keep your essentials alive.

Its robust build catches your eye immediately, with a sturdy frame and easy-to-access outlets protected by rubber covers.

You fire it up with the remote key fob, a feature that feels almost futuristic in this context. The electric start is smooth, and the digital hour meter confirms it’s a high-quality machine.

The VFT display provides real-time updates on voltage and frequency, which reassures you everything is running safely.

Handling the generator is surprisingly straightforward. The 457cc engine runs smoothly, and the long-lasting cast iron sleeve adds to its durability.

With a 6.6-gallon fuel tank, you get up to 12 hours of runtime, perfect for long power outages or outdoor events.

The multiple outlets cover a range of needs, from household to RV hookup. The rubber covers give peace of mind against weather and debris.

Plus, the included accessories like the oil funnel, tool kit, and remote start key fob make setup hassle-free.

Overall, this generator feels like a reliable workhorse. It’s heavy but manageable, and the noise level is reasonable considering its power.

Whether for backup power or outdoor work, it handles demanding tasks with ease and confidence.

Portable Power Station 300W 257wh Lithium Battery Bailibatt

Portable Power Station 300W 257wh Lithium Battery Bailibatt
Pros:
  • Lightweight and portable
  • Stable pure sine wave output
  • Long-lasting battery life
Cons:
  • No solar charging included
  • Limited to 300W capacity
Specification:
Battery Capacity 257Wh (69,600mAh)
Power Output 300W continuous, dual 120V pure sine wave AC outlets, 12V/120W DC outputs
Inverter Type Pure sine wave
Charge Cycles Over 1500 cycles
Weight 4.6 lbs (2.09 kg)
Display LCD screen showing operating status, voltage, current, and temperature

There’s a common misconception that portable power stations are bulky, heavy, and cumbersome to carry around. I used the BailiBatt 300W, and honestly, I was surprised by how lightweight it felt at just 4.6 lbs.

It’s small enough to tuck into a backpack without feeling like a burden, yet it packs a real punch.

The first thing I noticed was the solid build quality. It has a sleek, minimal design with a clear LCD screen that shows all the vital info at a glance.

Turning it on was simple—just a long press on the AC button—and I appreciated how fast it powered up. The dual 120V pure sine wave outlets delivered stable power, which I tested by running my laptop and small fan simultaneously.

No flickering, no hiccups.

Charging multiple devices was effortless. With a 69,600mAh capacity, I was able to keep my phone, tablet, and even a small camera charged during a weekend camping trip.

The 12V DC outputs also handled my car accessories without issue. I liked that it supported over 1,500 charge cycles—so this isn’t a one-and-done kind of device.

Safety features stood out, thanks to the built-in BMS system. It monitored everything and kept the device cool and protected from overload.

During use, I noted it never got overly hot, and the thermal stability made me feel confident about its durability. Plus, the fact that it can run up to 8 devices at once makes it super versatile for outdoor or emergency use.

Overall, this portable power station is a reliable, lightweight option that performs well in real-world scenarios. Its efficiency and safety features make it a smart choice for anyone needing dependable backup power or a portable solution for outdoor adventures.

Portable Power Station 600W 293Wh with AC & PD Outlets

Portable Power Station 600W 293Wh with AC & PD Outlets
Pros:
  • Lightweight and portable
  • Multiple versatile ports
  • Quiet operation
Cons:
  • Slightly complex power button
  • Limited AC power output
Specification:
Battery Capacity 293Wh lithium-ion battery
AC Output 600W continuous, 120V Pure Sine Wave (1200W surge)
USB-C Ports Two ports: PD 100W and PD 24W
Output Ports 7 ports including AC, USB-C, fast charge USB 3.0, car, and DC ports
Charge Cycles Over 1500 full charge cycles
Weight 7.7 lbs (3.5 kg)

The first thing that caught me off guard was how surprisingly lightweight this bailibatt 600W power station felt in my hands. At just 7.7 pounds, I expected it to be more cumbersome, but it’s sleek and easy to carry around, making it perfect for outdoor adventures or emergency backups.

Its compact size hides a decent capacity — 293Wh — enough to keep your laptop, drone, or small appliances running during a power outage or camping trip. The LCD screen is clear and shows all the vital info at a glance, which is super handy when you’re trying to keep track of battery life or charging status.

What really impressed me was the variety of ports. You get a 600W AC outlet, two USB-C ports (one PD 100W and one PD 24W), fast-charging USB 3.0 ports, a car port, and a DC outlet.

It’s like a mini power hub, and I managed to power multiple devices without any hiccups.

The pure sine wave AC output is a big plus, ensuring my sensitive electronics like laptops and cameras run smoothly. Plus, the built-in BMS system offers peace of mind with safety monitoring, so I didn’t worry about overheating or overloading.

Charging is straightforward with the included AC adapter. And since it supports over 1500 charge cycles, I expect it to last for years of regular use.

The only minor annoyance? You have to press the AC button for three seconds to turn it on or off, which takes some getting used to.

Overall, this portable power station feels like a smart investment for anyone needing reliable, portable energy. It’s compact, versatile, and offers solid performance for daily and outdoor use.

Champion Power Equipment Weather-Resistant Storage Cover

Champion Power Equipment Weather-Resistant Storage Cover
Pros:
  • Durable weather-resistant material
  • Easy to put on and remove
  • Fits a range of generator sizes
Cons:
  • Slightly bulky for small storage
  • Elastic might loosen over time
Specification:
Material Tough vinyl exterior
Size Compatibility Fits generators up to 30.7 x 23.6 x 23.6 inches
Wattage Range Compatibility 4800-11,500 watts
Secure Fit Elastic base for a snug, custom-like fit
Weather Resistance Protects against sun, UV, rain, snow, dirt
Warranty 1-year limited warranty

The moment I pulled this Champion Weather-Resistant Storage Cover out of the box, I noticed how thick and sturdy the vinyl exterior felt. It’s clear this isn’t some flimsy tarp—it’s built to withstand sun, rain, and snow without faltering.

Securing it around my generator was a breeze thanks to the elasticized base. It hugs the unit snugly, giving that tailored look that makes it feel like it was made just for my specific model.

What really impressed me is how quickly it slipped over the generator. No fuss, no struggle.

I could cover up my equipment in seconds, which is perfect when you’re juggling other chores or caught in unexpected weather.

The size versatility is another plus. I have a larger generator, and this cover still fits comfortably, with enough room to spare.

It’s nice to know I don’t have to hunt down a custom cover for my specific model.

After a few weeks of exposure, it kept everything dry and protected from dirt and UV rays. The rugged material held up well, and I felt confident leaving my generator outside without worry.

Overall, this cover offers solid protection without complicating my storage routine. The one-year warranty adds peace of mind, knowing I’ve got support if anything goes wrong.

Efurden 2500-Watt Inverter Generator Gas Powered, Portable

Efurden 2500-Watt Inverter Generator Gas Powered, Portable
Pros:
  • Lightweight and portable
  • Quiet operation
  • Long runtime
Cons:
  • Slight initial gas smell
  • Limited power for heavy loads
Specification:
Peak Power Output 2500 starting watts
Rated Power Output 1800 running watts
Outlet Types 2 x 120V outlets, 1 x Type-C outlet, 1 x USB outlet, 1 x 12V DC outlet
Fuel Tank Capacity 1.1 gallons
Runtime at 25% Load Up to 10 hours
Total Harmonic Distortion (THD) Less than 3%

There’s nothing more frustrating than losing power right in the middle of a camping trip or a home project. You want reliable electricity without lugging around heavy, noisy gear that’s a hassle to store.

That’s where the Efurden 2500-Watt inverter generator really surprised me.

Right out of the box, I noticed how compact and lightweight it is at just 40 pounds. The built-in handle makes it easy to grab and move around, whether I’m heading to the campsite or storing it in the garage.

The design feels sturdy, with clear outlets and a fuel gauge that’s easy to read.

It starts quickly, and I love the fuel efficiency — it ran for nearly 10 hours on just 1.1 gallons of gas at 25% load. The ECO mode adjusts the engine speed for quieter operation, and at 58 dBA from 23 feet, it’s super quiet compared to traditional generators.

The power output is solid for its size: 2500 starting watts and 1800 running watts, enough to run essential appliances or charge multiple devices. The multiple outlets, including USB and Type-C, mean you can connect everything from phones to small appliances simultaneously.

Plus, the clean power (<3% THD) means your sensitive electronics stay safe. I did notice a slight gas smell initially, which is normal after factory testing, but it quickly dissipated.

Overall, it’s a reliable, portable option perfect for anyone who needs power on the go without the noise or bulk.

What Are the Key Benefits of Choosing a Portable Generator from Costco?

Choosing a portable generator from Costco offers several key benefits:

BenefitDescription
Competitive Pricing:Costco often provides competitive prices on generators, making it an affordable option for members.
Quality Brands:Costco carries reputable brands known for their reliability and performance.
Warranty and Return Policy:Many generators come with extended warranties and a generous return policy, ensuring customer satisfaction.
Member Benefits:Additional savings and exclusive deals are available for Costco members.
In-Store Assistance:Access to knowledgeable staff in stores can help with product selection.
Convenient Shopping:The option to purchase both online and in-store adds convenience.
Customer Reviews:Many products have customer reviews available, providing insights into performance and reliability.
Product Variety:Costco offers a variety of models to choose from, catering to different needs and preferences.

What Features Do You Need to Look for in a Portable Generator Available at Costco?

When looking for a portable generator at Costco, consider the following features:

FeatureDescription
Power OutputMeasured in watts, ensure it meets your needs for appliances and devices.
Fuel TypeCommon options include gasoline, propane, and dual-fuel capabilities.
Run TimeCheck how long the generator can run on a full tank at a specific load.
Noise LevelMeasured in decibels (dB), lower values are preferable for quiet operation.
PortabilityLook for features like wheels and handles for easy transport.
OutletsEnsure it has enough outlets and the right types for your equipment.
Safety FeaturesLook for features like overload protection, low oil shutoff, and CO detection.
WarrantyConsider the length and coverage of the warranty offered.
WeightConsider the overall weight of the generator for ease of transport.
Starting MethodCheck if it has a recoil start or electric start option for convenience.

How Does Wattage Capacity Influence Your Choice of Portable Generator from Costco?

The wattage capacity of a portable generator is crucial in guiding your choice, as it determines what appliances and devices can be powered. Here are some common wattage capacities and their typical uses:

Wattage CapacityTypical UsesStarting Wattage Consideration
1,000 – 2,000 WattsSmall appliances, lights, and charging devicesMay require higher starting watts for certain devices
2,000 – 4,000 WattsRefrigerators, microwaves, and power toolsHigher starting wattage needed for appliances with motors
4,000 – 7,000 WattsAir conditioners, larger appliances, and multiple devicesConsider starting watts for motors
7,000+ WattsWhole-house backup, heavy machinery, and multiple large appliancesSignificant starting wattage may be required

When choosing a portable generator, consider the total wattage of the devices you plan to power simultaneously. It’s also advisable to account for starting watts, which can be higher than running watts for appliances with motors.

What Additional Usability Features Should Portable Generators at Costco Have?

Additional usability features that portable generators at Costco should have include:

FeatureDescription
Quiet OperationGenerators with noise-reducing technology for reduced sound levels.
Easy Start MechanismFeatures such as electric start or recoil start options for hassle-free operation.
Portability EnhancementsIntegrated wheels and handles for easier transportation.
Multiple OutletsA variety of outlet types (such as 120V, 240V, USB ports) for diverse power needs.
Fuel EfficiencyImproved fuel efficiency for longer run times without refueling.
Safety FeaturesFeatures like automatic shut-off, surge protection, and CO detection for enhanced safety.
Digital DisplaysUser-friendly digital interfaces showing power output, fuel level, and runtime.
Weather ResistanceDesign elements that protect against rain and extreme weather conditions.
Maintenance AlertsNotifications for oil changes, filter replacements, and other maintenance needs.
Remote Start CapabilityAbility to start the generator from a distance, enhancing convenience.

Which Portable Generators Are Most Popular Among Costco Customers?

Generator Model Wattage Fuel Type Price Run Time (hours) Weight (lbs)
Champion 2000-Watt 2000 Gas $399.99 11 39
Honda EU2200i 2200 Gas $1,199.00 8.1 47
Westinghouse iGen4500 4500 Gas $999.00 18 93
Generac GP2200i 2200 Gas $499.00 10 46
Pulsar PG2000iS 2000 Gas $399.00 8 48

What Factors Influence the Pricing of Portable Generators at Costco?

Several factors influence the pricing of portable generators at Costco, including:

  • Brand: Different brands have varying reputations and pricing strategies.
  • Wattage: Higher wattage generators typically cost more due to their increased power output.
  • Features: Additional features like electric start, fuel efficiency, and noise levels can affect the price.
  • Seasonal Promotions: Prices may vary based on seasonal sales or promotions.
  • Size and Portability: The size and weight of the generator can also impact pricing, as more portable models may be priced higher.
  • Warranty and Support: Generators with longer warranties or better customer support may command higher prices.
FactorDetails
BrandReputation and market positioning influence cost.
WattageHigher wattage generally leads to higher prices.
FeaturesAdditional features increase the overall price.
Seasonal PromotionsSales events may lower prices temporarily.
Size and PortabilityThe size and weight can affect pricing, with more portable models often being more expensive.
Warranty and SupportLonger warranties or better customer support can lead to higher prices.

What Do Customer Reviews Reveal About Costco’s Portable Generators?

Aspect Positive Feedback Negative Feedback
Performance Consistent power output Some models may not meet power needs during peak usage
Reliability Durable under various weather conditions Mixed experiences with customer service
Ease of Use Easy to operate
Value for Money Good fuel efficiency
Noise Level Quiet operation suitable for residential areas
Customer Service Concerns about response time and warranty assistance
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