Tools & Home Improvement

Portable Generators

Compared on running watts, runtime, noise and weight, so you can match the generator to camping trips, tailgating or a few essentials during an outage.

Top picks compared: 4
Specs compared per product: 6

Side-by-side comparison

The four top picks in Portable Generators, chosen from public third-party testing and editorial research, then compared on specs, strengths and drawbacks. Swap any product to compare something else.

Best OverallBest ValueTop PremiumCustomer Favorite

Compare

Champion201046 (2500W Ultralight)

Best Value

Champion

Champion 2500-Watt Ultralight Inverter Generator

Overview

A 79cc inverter generator producing 2500 starting and 1850 running watts from a 1.1-gallon tank, with parallel capability for doubling output and clean power under 3% THD.

Buying Recommendation

Best Value. The strongest published capability for its place in the lineup.

Web Consensus Insights

The Champion 2500-Watt Ultralight Inverter Generator is widely praised for its exceptionally low weight and quiet operation. Pro Tool Reviews and other outlets note it is ideal for camping and tailgating, earning it the Best Value spot for its strong capability relative to its size.

Best For

Campers and tailgaters who want the lightest quiet generator that still runs a fridge or a few essentials

Top Pros

Extremely lightweight
Quiet operation
Parallel ready

Top Cons

Lower running watts
Small fuel capacity

Key Specs

Running Watts: 1850W
Peak Watts: 2500W
Weight: 39 lbs
Runtime: 11.5 hours at 25% load
Noise Level: 53 dBA
Warranty: 3 Year

Check Current Price on Amazon

WestinghouseiGen2200

Customer Favorite

Westinghouse

Westinghouse iGen2200 Inverter Generator

Overview

An 80cc inverter generator rated 2200 peak and 1800 running watts, with economy mode, parallel capability and a 1.14-gallon tank for up to 12 hours of running.

Buying Recommendation

Customer Favorite. The one shoppers keep coming back to.

Web Consensus Insights

The Westinghouse iGen2200 is recognized for its fuel efficiency and quiet operation, making it a popular choice for recreational use and emergency backup. Its broad appeal and solid specifications earn it the Customer Favorite role in this lineup.

Best For

Campers and tailgaters who want long runtime and quiet operation from a mainstream brand

Top Pros

Fuel efficient
Very quiet
Lightweight

Top Cons

Lower peak watts
Warranty not specified

Key Specs

Running Watts: 1800W
Peak Watts: 2200W
Weight: 46 lbs
Runtime: 12 hours at 25% load
Noise Level: 52 dBA
Warranty: Info not available

Check Current Price on Amazon

GeneracGP2500i

Top Premium

Generac

Generac GP2500i 2500-Watt Inverter Generator with COsense

Overview

Generac's 2500-watt inverter with COsense carbon monoxide shutdown, economy mode, USB outlets and parallel capability for doubling output.

Buying Recommendation

Top Premium. The highest published performance and build quality.

Web Consensus Insights

The Generac GP2500i is highlighted by Top Notch Outdoor as a strong performer with the highest running watts among small gas units tested. Despite being weaker on noise, its high output and brand reliability secure its position as Top Premium.

Best For

Buyers who want CO shut-off safety and clean power for electronics from an established brand

Top Pros

High running watts
100-hour oil change interval
COsense technology

Top Cons

Weakest on noise
Some early-failure reports

Key Specs

Running Watts: 2200W
Peak Watts: 2500W
Weight: Info not available
Runtime: Info not available
Noise Level: Info not available
Warranty: Info not available

Check Current Price on Amazon

FirmanW01785 (2100W)

Best Overall

Firman

Firman W01785 2100W Inverter Generator with CO Alert

Overview

A lightweight 2100-watt inverter generator with CO alert safety shut-off, recoil start and dual 120V outlets, sized for campsites and small loads.

Buying Recommendation

Best Overall. Our top pick after weighing every trade-off.

Web Consensus Insights

The Firman W01785 performed exceptionally well in Consumer Reports lab testing, delivering clean power and handling surges effectively. Its strong overall performance across multiple metrics makes it the Best Overall pick in this lineup.

Best For

First-time buyers who want CO safety and low weight without paying for more watts

Top Pros

Excellent power delivery
Clean power quality
CO Alert technology

Top Cons

Specs not fully published
Lower peak wattage

Key Specs

Running Watts: Info not available
Peak Watts: 2100W
Weight: Info not available
Runtime: Info not available
Noise Level: Info not available
Warranty: Info not available

Check Current Price on Amazon

Product 1 of 4 · swipe to compare

Champion

Champion201046 (2500W Ultralight)

Best Value

Champion 2500-Watt Ultralight Inverter Generator

The strongest published capability for its place in the lineup.

Check Current Price on Amazon

Overview

A 79cc inverter generator producing 2500 starting and 1850 running watts from a 1.1-gallon tank, with parallel capability for doubling output and clean power under 3% THD.

Buying Recommendation

Best Value

Best For

Campers and tailgaters who want the lightest quiet generator that still runs a fridge or a few essentials

Web Consensus Insights

Top Pros

Extremely lightweight
Quiet operation
Parallel ready

Top Cons

Lower running watts
Small fuel capacity

Key Specs

Running Watts: 1850W
Peak Watts: 2500W
Weight: 39 lbs
Runtime: 11.5 hours at 25% load
Noise Level: 53 dBA
Warranty: 3 Year

Westinghouse

WestinghouseiGen2200

Customer Favorite

Westinghouse iGen2200 Inverter Generator

The one shoppers keep coming back to.

Check Current Price on Amazon

Overview

An 80cc inverter generator rated 2200 peak and 1800 running watts, with economy mode, parallel capability and a 1.14-gallon tank for up to 12 hours of running.

Buying Recommendation

Customer Favorite

Best For

Campers and tailgaters who want long runtime and quiet operation from a mainstream brand

Web Consensus Insights

Top Pros

Fuel efficient
Very quiet
Lightweight

Top Cons

Lower peak watts
Warranty not specified

Key Specs

Running Watts: 1800W
Peak Watts: 2200W
Weight: 46 lbs
Runtime: 12 hours at 25% load
Noise Level: 52 dBA
Warranty: Info not available

Generac

GeneracGP2500i

Top Premium

Generac GP2500i 2500-Watt Inverter Generator with COsense

The highest published performance and build quality.

Check Current Price on Amazon

Overview

Generac's 2500-watt inverter with COsense carbon monoxide shutdown, economy mode, USB outlets and parallel capability for doubling output.

Buying Recommendation

Top Premium

Best For

Buyers who want CO shut-off safety and clean power for electronics from an established brand

Web Consensus Insights

Top Pros

High running watts
100-hour oil change interval
COsense technology

Top Cons

Weakest on noise
Some early-failure reports

Key Specs

Running Watts: 2200W
Peak Watts: 2500W
Weight: Info not available
Runtime: Info not available
Noise Level: Info not available
Warranty: Info not available

Firman

FirmanW01785 (2100W)

Best Overall

Firman W01785 2100W Inverter Generator with CO Alert

Our top pick after weighing every trade-off.

Check Current Price on Amazon

Overview

A lightweight 2100-watt inverter generator with CO alert safety shut-off, recoil start and dual 120V outlets, sized for campsites and small loads.

Buying Recommendation

Best Overall

Best For

First-time buyers who want CO safety and low weight without paying for more watts

Web Consensus Insights

Top Pros

Excellent power delivery
Clean power quality
CO Alert technology

Top Cons

Specs not fully published
Lower peak wattage

Key Specs

Running Watts: Info not available
Peak Watts: 2100W
Weight: Info not available
Runtime: Info not available
Noise Level: Info not available
Warranty: Info not available

Also researched

The rest of the Portable Generators lineup. Each one was researched alongside the four picks and did not take one of the roles.

Firman W03383 3650W Remote Start Inverter Generator

Prices, availability and ratings change constantly, so we do not store them: always confirm the current price with the link on each product. Picks, pros, cons and consensus summaries are compiled from public third-party testing, editorial reviews and published specifications. As an Amazon Associate, we earn from qualifying purchases.