Best Portable Back Up Generators for Reliable Power on the Go
Looking for a portable back up generator that can keep essential devices running during outages or while off-grid? This guide highlights five solid options, each chosen for different needs—from heavy-duty home backup to compact, travel-friendly power. Best for large homes building resilience, best for RV trips, best for lightweight camping, and best for off-grid charging. Here’s a concise buyer’s overview and detailed sections to help you compare features, runtimes, and fuel options.
| Product | Fuel Type | Peak Watts | Run Time (approx.) | Best For |
|---|---|---|---|---|
| Westinghouse 14500 Tri-Fuel | Gas/Propane/Natural Gas | 14,500 | Up to 19 hrs (gas) | Large homes, long outages |
| Westinghouse 6500 Dual Fuel | Gas/Propane | 6,500 | Up to 14.5 hrs | Backup for mid-size homes, RVs |
| Westinghouse 12500 Dual Fuel | Gas/Propane | 12,500 | Up to 12 hrs | Power-hungry appliances, remote start |
| Oxseryn 4400 Inverter | Gas | 4,400 | Up to 14 hrs | Travel, camping, small loads |
| Jackery Explorer 300 | Battery (LiFePO4) with Solar Panel Optional | 2,000 (3,000 peak) | Varies with use | Off-grid camping and light home backup |
Westinghouse 14500 Peak Watt Tri-Fuel Backup Generator
This tri-fuel model delivers high power at three fuel options, making it flexible for different fuel availabilities. It’s best for larger homes or as a dependable portable power source during extended outages. With a heavy-duty 550cc Westinghouse engine, it provides:
- Gas: 11,500 running watts, 14,500 peak
- Propane: 10,500 running watts, 13,500 peak
- Natural gas: 9,500 running watts, 12,000 peak
Best for: Homeowners who want maximum peak power and fuel flexibility. The long runtime on a full 9.5-gallon tank (up to 19 hours) is a strong point for outages. A potential limitation is the larger footprint and heavier weight, which may require a dedicated setup area.
Westinghouse 6500 Watt Dual Fuel Home Backup Generator
This model balances portability with solid power. Dual fuel capability provides flexibility when gasoline or propane is more available. It features:
- Gas: 6,500 peak; 5,300 running watts
- Propane: 5,800 peak; 4,800 running watts
- Multiple outlets including RV-ready and transfer switch readiness
Best for: Home backups for mid-size homes and RV use, particularly when you want a straightforward, reliable standby. Limitation to note: run times vary by fuel type and load; the unit’s weight and setup require planning for transport or storage.
Westinghouse 12500 Watt Dual Fuel Home Backup Generator
This high-capacity unit is designed for homes with demanding power needs. Features include remote electric start, transfer switch readiness, and dual-fuel operation. Power specs:
- Gas: 12,500 peak, 9,500 running watts
- Propane: 11,200 peak, 8,500 running watts
- Outlets include 120V and 120/240V configurations, with RV and transfer switch options
Best for: Homes requiring substantial emergency power and easier remote operation. A caution: this model relies on a capable transfer switch setup for seamless utility power switching.
Oxseryn 4400 Watts Inverter Portable Generator
Designed for quieter operation and efficiency, this inverter generator is well-suited for RVs, camping, and home backup with modest power needs. Core details:
- Peak: 4,400 watts; Running: around 3,400 watts
- Multiple outputs: two 120V ports, one 12V DC port, one RV port
- Up to 14 hours at 25% load with ECO mode; 2-gallon tank with fuel gauge
Best for: Travelers and campers who prioritize portability and lower noise. Limitation: not ideal for powering heavy household appliances simultaneously due to lower sustained output.
Anker SOLIX C1000 Gen 2 Portable Power Station
This compact, lithium-based power station offers quick recharging and significant portable power via multiple outlets. Specifications include:
- 2,000W continuous output; 3,000W peak; 1,024Wh capacity
- Ultra-fast recharge up to 1,600W with HyperFlash
- Multiple ports: AC, USB-C PD, USB-A, and car port
Best for: Emergency backup and off-grid camping where quick recharge and multiple device support matter. Caution: for high-load home appliances, it’s not a full substitute for a large generator.
Jackery HomePower 3600 Plus Portable Power Station
The Jackery HomePower 3600 Plus provides substantial home backup capabilities with expandable capacity and parallel charging options. Highlights include:
- 3600W AC output (7200W in parallel); expandable to 21kWh per unit
- 3584Wh capacity; safe power with high-temperature resistant cells
- Designed for plug-and-play integration with compatible systems
Best for: Homes seeking reliable, scalable off-grid power with potential future expansion. Limitation: requires additional units or parallel connections to reach very large household loads.
Buying Guide: Portable Back Up Generators
- Fuel availability and convenience: Choose tri-fuel or dual-fuel units if you anticipate fluctuating fuel access during outages. Gasoline offers quick availability; propane and natural gas can be easier to store long-term.
- Power needs and peak vs running watts: For running essential circuits, verify both peak and running watt ratings. Higher peak wattage supports surge loads like refrigerators and sump pumps.
- Runtime and fuel capacity: Larger tanks increase runtime but add weight. Consider your outage profile when estimating how long you’ll need power between fills.
- Portability and setup: If you’ll move the generator between locations, dimension, weight, and wheel kits matter. For home backup, a transfer switch readiness simplifies installation with existing circuits.
- Outlets and safety features: Look for rubber-coated outlets, CO sensors where applicable, and safety shutdown features like low oil or overload protection.
FAQs
- What is the difference between peak watts and running watts? Peak watts indicate maximum surge power, while running watts reflect continuous output under load.
- Do I need a transfer switch for home backup generators? A transfer switch is strongly recommended for seamless, safe switching from utility power to generator power without back-feeding.
- Are inverter generators quieter than traditional ones? Generally, yes. Inverter models regulate output, reducing noise and improving fuel efficiency for smaller loads.
- Which fuel type is best for long outages? Propane often stores longer and is widely available, but natural gas requires a connection to your home’s gas line, and gasoline provides high energy density for short outages.
- Can these generators power whole homes? Larger, high-wattage units can support many essential circuits, but full-home power typically requires a high-capacity, professionally installed system with a transfer switch and proper ventilation.
- What maintenance should be expected? Regular oil changes, air filter cleaning, fuel stabilization, and battery maintenance for electric start models are common practices.