Home & Kitchen / Power
Last updated: Written by: Rafael Rocha

The 5 Best Generators for Different Backup Plans

A generator purchase starts with a list of appliances, not a wattage printed in huge type on the carton. Write down what must keep running during an outage and which motor-driven items may start at the same time. Then decide where an engine can operate safely outdoors, or whether a finite battery is the more practical answer for the loads you actually have.

I put Champion first for a smaller, flexible outdoor setup; Jackery is the indoor-friendly battery choice for selected essentials. Westinghouse and DuroMax address much bigger engine-powered plans, while Generac is easier to justify when the list is short. Compare running output, fuel, outlets and the whole setup before treating any of them as a whole-house solution.

Our top 5 generators for different backup plans

Swipe to compare price, rating and best use →

Five products compared by price, rating and best use.
ProductPriceRatingBest for
01Champion 4000-Watt Dual Fuel RV Ready Portable Inverter Generator | Gas & Propane Powered, LPG Hose, RV Ready, Recoil Start, Parallel Ready, Quiet Technology, Free 3-Year Warranty product image from AmazonChampion Power Equipment Champion 4000-Watt InverterDetails ↓$719.00
4.6/5Amazon
Best flexible small engine
02Jackery HomePower 3000 and 2x200W Solar Panels, 3072Wh, 3600W AC Output | 7200W Surge, LFP Battery, Solar Generator, Essential Backup for Home Use, Power Outage, RV, Emergencies product image from AmazonJackery HomePower 3000 Solar KitDetails ↓$1,799.00
4.5/5Amazon
Best battery for selected loads
03Generac 2,500 Watt Gas Powered Portable Inverter Generator, Outdoor Use | 2,200 Running Watts, Clean Power, RV, Camping, Home Backup, Lightweight Compact, Quiet Operation, 49 State Compliant product image from AmazonGenerac 2500-Watt InverterDetails ↓$598.73
4.0/5Amazon
Best compact gas inverter
04Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor product image from AmazonWestinghouse Dual-Fuel Portable GeneratorDetails ↓$1,049.00
4.7/5Amazon
Best substantial dual-fuel backup
05DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready product image from AmazonDuroMax XP12000EHDetails ↓$1,299.00
4.5/5Amazon
Best heavy-duty engine alternative
Champion 4000-Watt Dual Fuel RV Ready Portable Inverter Generator | Gas & Propane Powered, LPG Hose, RV Ready, Recoil Start, Parallel Ready, Quiet Technology, Free 3-Year Warranty product image from Amazon

01 — Champion Power Equipment

Best flexible small engine

Champion 4000-Watt Inverter

4.6/5Amazon
$719.00In Stock

Champion's 4,000-watt-class dual-fuel inverter suits a campsite or a focused set of home essentials rather than a whole-house wish list. The appeal is fuel flexibility and a smaller package than the big open-frame machines. Confirm running watts for the chosen fuel, outlet types and the startup requirements of any fridge or pump before assuming the headline covers them.

First for a short, realistic list of outdoor-powered essentials. The dual-fuel format gives a second fuel route, but running output changes with fuel and will not cover an entire house. I would choose the large Westinghouse only after calculating the loads.

Specifications: Champion 4000W dual-fuel inverter manual ↗

View on Amazon ↗
Choose it if

Camping or a few outage essentials.

Skip it if

You need indoor operation.

What I like

+Dual-fuel outdoor flexibility.

What to weigh

−Limited running capacity versus larger units.

Peak output
4,000 W
Jackery HomePower 3000 and 2x200W Solar Panels, 3072Wh, 3600W AC Output | 7200W Surge, LFP Battery, Solar Generator, Essential Backup for Home Use, Power Outage, RV, Emergencies product image from Amazon

02 — Jackery

Best battery for selected loads

Jackery HomePower 3000 Solar Kit

4.5/5Amazon
$1,799.00In Stock

HomePower 3000 is for powering selected devices where a battery's lack of engine exhaust and easier start matter more than refueling an engine. This offer includes solar panels, but sunlight, panel positioning and charging time limit what the bundle can replenish. Add up watt-hours as well as watts: a refrigerator's startup load and hours of use are different questions. The price is steep.

Second because a battery can power a planned set of devices without engine exhaust or fuel handling. Its finite stored energy is the trade-off; check the watt-hours, continuous output and actual solar-panel bundle before counting on an extended outage.

Specifications: Jackery HomePower 3000 specifications ↗

View on Amazon ↗
Choose it if

Indoor devices and brief backup.

Skip it if

You need days of heavy loads without recharge.

What I like

+Battery operation and solar input.

What to weigh

−Finite capacity and charging time.

Generac 2,500 Watt Gas Powered Portable Inverter Generator, Outdoor Use | 2,200 Running Watts, Clean Power, RV, Camping, Home Backup, Lightweight Compact, Quiet Operation, 49 State Compliant product image from Amazon

03 — Generac

Best compact gas inverter

Generac 2500-Watt Inverter

4.0/5Amazon
$598.73Only 12 left in stock (more on the way).

Generac's compact inverter is for a small outdoor power list when a lower-output engine makes more sense than a heavy backup unit. I would compare running watts, outlets and the startup load of each device before buying. Compact size never permits indoor operation: this is still a gasoline engine with dangerous exhaust.

Third for a buyer whose power list is small enough to value a compact engine more than extra sockets and output. Compare its continuous watts and runtime against Champion; the lighter plan saves space but leaves less room for another appliance.

Specifications: Exact Amazon product listing ↗

View on Amazon ↗
Choose it if

One focused outdoor power circuit.

Skip it if

You need several simultaneous appliances.

What I like

+Smaller inverter format.

What to weigh

−Less expansion room in the load plan.

Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor product image from Amazon

04 — Westinghouse

Best substantial dual-fuel backup

Westinghouse Dual-Fuel Portable Generator

4.7/5Amazon
$1,049.00In Stock

Westinghouse is for a household planning to run several essential appliances through an outage, with fuel storage and an outdoor location already considered. Its advertised 12,500 peak watts must be separated from running output and the startup surge of each load. The machine is large, noisy and fuel dependent; confirm outlets, fuel consumption and transfer equipment before sizing a home plan.

Fourth because its higher-output class makes sense only when you have the transfer equipment, outdoor space and stored fuel to use it. I would calculate running load on propane and gasoline separately; a large peak-watt label is a poor substitute for that plan.

Specifications: Exact Amazon product listing ↗

View on Amazon ↗
Choose it if

Several household essentials.

Skip it if

You need a light camping unit.

What I like

+Large dual-fuel capacity.

What to weigh

−Weight, noise and installation planning.

Peak output
12,500 W
DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready product image from Amazon

05 — DuroMax

Best heavy-duty engine alternative

DuroMax XP12000EH

4.5/5Amazon
$1,299.00In Stock

XP12000EH is for the buyer comparing substantial gasoline-and-propane backup systems and willing to handle a large engine machine. Check its running output on each fuel rather than comparing only the 12,000 peak-watt headline. Fuel storage, noise, weight and a safe outdoor location are part of ownership; a licensed electrician should handle any home-circuit connection.

Fifth for a household comfortable managing a large portable engine and comparing outlet layout with a transfer-switch plan. It can be a better fit than a small inverter for demanding loads, but its size and fuel needs make casual use awkward.

Specifications: Exact Amazon product listing ↗

View on Amazon ↗
Choose it if

Prepared high-load backup.

Skip it if

You need a carryable occasional unit.

What I like

+Substantial engine power class.

What to weigh

−Bulky storage and fuel handling.

Peak output
12,000 W
Price information

Amazon price and availability checked Oct 17, 2026, 10:49 PM Lisbon time. Prices and availability are subject to change; the information shown on Amazon.com at purchase applies.

Our process

How we picked.

We compare five relevant products for different needs, using documented specifications, clear use cases and practical trade-offs. Our goal is to make the differences clear and help you choose with confidence.

  • 01
    Relevance

    Each product must fit the guide’s intended use, audience and requirements.

  • 02
    Specifications

    We compare the key product details that meaningfully affect the buying decision.

  • 03
    Use case and fit

    We compare the intended use, configuration and practical fit of every selected product.

  • 04
    Strengths and limitations

    We explain where each option performs best and the compromises to consider.

Read our full methodology →

Good questions

FAQ — Generators for Different Backup Plans

01Can I run a gasoline generator in a garage with the door open?+

No. Follow the maker’s outdoor-placement instructions and keep engine exhaust away from the home.

02Do peak watts tell me what will run all night?+

No. Compare continuous running output on the fuel you will use with the combined load.

The short answer

Start with the Champion 4000-Watt Inverter.

I recommend it for camping or a few outage essentials. Choose something else if you need indoor operation.

View on Amazon ↗