Best Inverter Generator for Power Outage & Buying Guide 2024

During power outages, selecting the optimal inverter generator is essential for maintaining a steady electricity supply. These generators are prized for their portability, fuel efficiency, and ability to produce clean power suitable for sensitive electronics.

One notable example offers a compact design, quiet operation, and reliability, making it ideal for both emergency backup and outdoor activities. With advanced technology, it ensures consistent performance and ease of use, providing peace of mind during unexpected outages and versatility for various power needs.


1. Generac 7128 GP3500iO 3,500-Watt Gas Powered Open Frame Portable Inverter Generator

The Generac 7128 GP3500iO is a gas-powered open-frame portable inverter generator designed for reliability and convenience. With a power output of 3500 watts and a lightweight design, this generator is perfect for residential use, camping, and various outdoor activities.

Weighing 25% less than comparable models, it’s easy to transport and reduces fatigue during operation. Equipped with TruePower Technology delivers clean and stable power, making it safe for sensitive electronics, tools, and appliances.


Key Features

  1. Weighing 25% less than similar models, it’s easy to transport and reduces fatigue during use.
  2. TruePower Technology ensures safe operation for sensitive electronics and appliances.
  3. PowerRush Advance Technology provides over 50% more starting capacity, making it ideal for powering tools and equipment.
  4. Operates at 50% less noise, suitable for noise-sensitive environments.
  5. Features a single dial for start, run, and stop functions, making it easy for anyone to operate.
  6. Equipped with USB outlets for charging electronic devices.

PROs | CONs

ProsCons
Lightweight & PortableRequires Gasoline
Clean & Stable PowerLimited Output Watts
Increased Starting Capacity
Quiet Operation
User-Friendly Design
Convenient USB Charging Outlets

2. Westinghouse Outdoor Power Equipment 4500 Peak Watt Super Quiet Portable Inverter Generator

The Westinghouse Outdoor Power Equipment 4500 Peak Watt Super Quiet Portable Inverter Generator is a reliable power solution designed to meet your portable electricity needs. Whether you’re camping, traveling in an RV, or preparing for emergencies, this generator delivers exceptional performance.

With a peak wattage of 4500 and a rated wattage of 3700, it provides ample power to run essential appliances and electronics. Equipped with a remote electric start and auto choke function, igniting the generator is effortless.

Its compact design and telescoping handle make it highly portable, while features like the LED data center, displaying vital information such as fuel level and remaining runtime, enhance user convenience. Notably, its low noise output of as low as 52 dBA ensures quiet operation, ideal for both outdoor and indoor use.

Plus, with automatic low oil and carbon monoxide (CO) shut down, along with voltage regulation and overload protection, safety is paramount. Backed by a 3-year limited warranty and nationwide customer service network, this Westinghouse generator is a dependable choice for residential and recreational applications.


Key Features

  1. Remote electric start with included key fob and electric/recoil start options.
  2. 5–20R 120V duplex household outlet, RV-ready TT-30R 30 Amp outlet, and two USB outlets.
  3. LED data center displaying fuel level, power output, remaining runtime, voltage output, and lifetime hours.
  4. Hushed operation with noise output as low as 52 dBA.
  5. Up to 18 hours of run time on a 3.4-gallon gas tank.
  6. Automatic low oil and carbon monoxide (CO) shutdown for safety.

PROs | CONs

ProsCons
Electric start with remote key fobGasoline-powered
Low noise output
Long run time
LED data center for real-time monitoring

3. Pulsar 2,300W Portable Gas-Powered Quiet Inverter Generator With USB Outlet & Parallel Capability

The Pulsar G2319N is a reliable and portable gas-powered inverter generator perfect for outdoor adventures and entertainment. With 2,300 peak watts and 1,800 running watts, it provides ample power for camping, tailgating, and small 120V appliances. Weighing less than 47 pounds and featuring a compact suitcase design, it’s easy to handle and transport.

Equipped with stable sine wave technology, it ensures safe and clean power for sensitive electronic devices like laptops and cell phones. The generator is fuel-efficient, capable of running for up to 4.8 hours at half load on just 1.18 gallons of fuel.

Whether you’re charging devices or powering appliances, the Pulsar G2319N is a versatile and dependable choice for your outdoor power needs.


Key Features

  • 2,300 peak watts and 1,800 running watts
  • Up to 4.8 hours of operation at half load on 1.18 gallons of fuel.
  • Compact suitcase design for easy handling.
  • Stable sine wave technology for safe power output.
  • Dual 120V outlets, 12V ‘cigarette’ outlet, and USB port for charging various devices.
  • Quiet inverter technology with parallel capability.

PROs | CONs

ProsCons
Portable and lightweightLimited running time
Clean and stable power outputRequires gasoline fuel
Easy to handle and transport
Multiple outlets for charging devices
Quiet operation

4. Cummins Onan P4500I Inverter Portable Generator | Best Generator for Power Outages

The Cummins Onan P4500I Inverter Portable Generator offers reliable power on the go, making it an ideal companion for camping trips and outdoor adventures. With a dependable 7.3 HP 224cc OHV 4-Stroke engine, this gasoline-powered generator delivers 4500 watts of power to meet your energy needs wherever you are.

Its portable design ensures ease of transportation, while the push-button and remote start features, backed up by a pull cord option, guarantee convenient operation. Equipped with two 5V USB ports, it allows for the charging of sensitive electronics such as phones or tablets, making it a versatile choice for various applications.

Additionally, its RV and camper readiness with a 30A TT-30R outlet and the capability to parallel with another P4500 generator for increased power make it a reliable solution for outdoor enthusiasts seeking an uninterrupted power supply.


Key Features:

  1. Powered by a 7.3 HP 224cc OHV 4-Stroke engine for consistent power output.
  2. Lightweight and easy to transport, perfect for camping and outdoor activities.
  3. Includes two 5V USB ports for charging phones, tablets, and other electronics.
  4. Features a 30A TT-30R outlet, ensuring compatibility with recreational vehicles.
  5. Offers push-button and remote start functionalities with a pull cord backup for added convenience.
  6. This can be paralleled with another P4500 generator to reach 50A of power, ideal for increased energy demands.

PROs | CONs

ProsCons
Dependable PerformanceHeavy Weight
Portable DesignLimited Fuel Source
Multiple Charging Options
RV and Camper Ready
Convenient Start Options

5. Generac 8251 GP2500i 2,500-Watt Gas Powered Portable Inverter Generator

The Generac 8251 GP2500i is a reliable portable power solution designed for outdoor adventures such as camping and tailgating events. With its compact and lightweight design, it offers easy transportation and setup wherever you need it.

Powered by gasoline, this generator delivers 2500 watts of clean, stable power, ensuring the safety of sensitive electronics, tools, and appliances thanks to TruePower Technology. It features Economy Mode for fuel efficiency and reduced noise emissions, along with COsense Technology for protection against hazardous carbon monoxide.

Equipped with LED indicators for low oil, overload, and readiness, as well as a USB port for device charging, this generator offers smart and reliable performance for various power needs.


Key Features:

  1. Portable power solution ideal for camping and tailgating events.
  2. TruePower Technology ensures clean and stable power for sensitive electronics.
  3. Compact and lightweight design with a built-in handle for easy transportation.
  4. Economy Mode for fuel efficiency and reduced noise emissions.
  5. COsense Technology protects against carbon monoxide.
  6. LED indicators for low oil, overload, and readiness.
  7. USB port for device charging.
  8. Parallel-ready capability for doubling power output.

PROs | CONS:

ProsCons
PortableNoise Emissions
Clean and stable powerLimited wattage output
Fuel-efficient
COsense Technology for safety
LED indicators for monitoring

When seeking the best inverter generator for power outage preparedness, it’s crucial to delve deeper into several key considerations to ensure you make the right choice:

1. Power Output Analysis

Assess your power requirements by listing the essential appliances and devices you’ll need to power during an outage. Calculate their wattage and select a generator with a rated and surge wattage capacity that comfortably accommodates these needs. It’s advisable to opt for a slightly higher capacity to handle unexpected power spikes.

2. Portability and Convenience

Opt for a generator with a compact and lightweight design, particularly if you anticipate moving it around frequently or using it for outdoor activities like camping or RV trips. Features like built-in handles and wheels can significantly enhance portability.

3. Fuel Efficiency

Look for generators equipped with advanced fuel-efficient technology, such as eco-mode or variable engine speeds, which optimize fuel consumption based on load demand. A more fuel-efficient generator will offer extended runtime per tank, reducing the frequency of refueling during prolonged outages.

4. Clean Power Output

Ensure the generator produces stable and clean electricity suitable for powering sensitive electronics like computers, televisions, and medical devices. Inverter generators utilize technology to regulate voltage and frequency, delivering power that mimics utility-grade electricity, thereby safeguarding your devices from damage.

5. Noise Level Consideration

Evaluate the noise level of the generator, especially if you plan to use it in residential neighborhoods or campsites where noise restrictions may apply. Look for models equipped with noise-reducing features such as mufflers, sound insulation, or automatic throttle adjustment to minimize operational noise.

6. Reliability and Durability

Prioritize generators from reputable brands renowned for their reliability and durability. Research customer reviews, seek recommendations, and pay attention to warranty coverage to gauge the generator’s longevity and after-sales support.


The best inverter generator for power outages combines portability, reliability, and efficiency. Look for models with sufficient power output to run essential appliances and electronics, typically around 2000 to 3000 watts. Advanced inverter technology ensures stable power suitable for sensitive devices.

Fuel efficiency is crucial for extended run times during emergencies. Consider noise levels, aiming for quiet operation to minimize disturbances. Portability features such as compact size and lightweight design enable easy transportation and storage.

Additionally, prioritize models with robust build quality and reputable customer support for long-term reliability. Ultimately, the ideal inverter generator for power outages offers a balance of performance, convenience, and dependability to meet your emergency power needs effectively.

What is an inverter generator?

An inverter generator produces AC power, which is then converted to DC and then back to AC using advanced electronics. This results in cleaner, more stable power compared to traditional generators.

How much power do I need during a power outage?

It depends on your requirements, but typically, 2000 to 3000 watts is sufficient to power essential appliances like refrigerators, lights, and electronics.

How long can an inverter generator run on a full tank?

Run time varies by model and load, but many inverter generators can run between 6 to 10 hours on a full tank of fuel at 50% load.

Are inverter generators quieter than conventional generators?

Yes, inverter generators are generally quieter due to their advanced technology that adjusts engine speed based on load, resulting in quieter operation.

Can I connect an inverter generator directly to my home’s electrical system?

It’s not recommended unless you have a transfer switch installed by a professional. Connecting directly without a transfer switch can pose safety risks and damage your generator or appliances.

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