5 Best Solar Generators for Home Backup Power Picks Compared (2026)

By Lauren Holland

Updated November 2026

If you are shopping for the best solar generator for home backup power, the right choice depends on what you need to keep running during an outage. A refrigerator, a CPAP machine and a sump pump draw very different amounts of energy, and a unit that handles one may struggle with the others. This guide compares five portable power stations sold on Amazon US, judged on battery capacity in watt-hours, continuous AC output, surge rating, outlet count, battery chemistry and how well each suits everyday outage use. Use it as a starting point, then check your own load list before buying.

How to read this list: The picks are based on published specifications, brand reputation and common patterns in owner feedback. We have not run these units through lab tests of our own, so verify the figures against the manufacturer’s current listing before you buy.

Our Top Picks

Quick Comparison

UDPOWER S2400 Portable Power Station

UDPOWER S2400 Portable Power Station, 2,083Wh, 2,400W | LiFePO4 Battery, 3,000W Surge, UPS, 6 AC Outlets, Solar Generator for Home Backup, RVs, Camping and Emergencies

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Best for: Overall home backup with a solar input

This unit suits households that want a single station to cover a refrigerator, lights, phones and a small medical device through a multi-hour outage, and that want the option to recharge from solar panels.

Key specs

• Battery capacity: 2,083Wh
• Rated AC output: 2,400W, with a 3,000W surge rating
• Battery chemistry: LiFePO4
• Six AC outlets
• UPS function listed

Pros

• Large enough capacity for overnight refrigerator and CPAP use
• LiFePO4 chemistry is generally rated for many more charge cycles than older lithium-ion designs
• Multiple outlets allow several devices at once

Cons

• Heavy enough that moving it between rooms takes effort
• Solar charging speed depends heavily on panel wattage and sun conditions

Bottom line: A strong first choice for a household that wants one flexible unit for common outage loads and possible solar recharging.

EF ECOFLOW Delta 3 Portable Power Station

EF ECOFLOW Delta 3 Portable Power Station, 1024Wh 1800W | LiFePO4 Battery, Full Charge in 56 Min, 1800W AC/100W USB-C Output, Solar Generator for Home Backup Power, Camping & RVs

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Best for: Small kitchens

This model fits apartments and smaller homes where the goal is to keep a refrigerator, a microwave-free kitchen circuit of lights and small appliances, and charging devices running for a day or two of intermittent power.

Key specs

• Battery capacity: 1024Wh
• Rated AC output: 1800W
• USB-C output: 100W
• Battery chemistry: LiFePO4
• Manufacturer-listed full recharge time: about 56 minutes

Pros

• Fast recharge time for the capacity class
• Compact enough to store in a closet or garage shelf
• Strong USB-C output for laptops and phones

Cons

• Capacity is modest, so a refrigerator will run for only a limited number of hours
• Not suited to running a sump pump for an extended period

Bottom line: Best for buyers who need dependable short-term backup in a smaller space and value quick recharging.

Jackery HomePower 3600 Plus & 2x200W Solar Panels

Jackery HomePower 3600 Plus & 2x200W Solar Panels, 3584Wh, 3600W AC Output | LFP Battery, Expandable to 21kWh, Solar Generator, Essential Home Backup for Home Use, Emergencies, RV

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Best for: Essential circuits across a household

This bundle is aimed at homeowners who want a higher-output system that can run several essential loads together and may later expand battery storage.

Key specs

• Battery capacity: 3,584Wh
• AC output: 3,600W
• Battery chemistry: LFP
• Expandable battery capacity as listed by the manufacturer
• Includes two 200W solar panels

Pros

• High output for running more than one large load at once
• Expandability suits households that may need longer runtime later
• Panels included in the bundle

Cons

• Large and heavy, so it is better kept in one fixed location
• Full setup benefits from a proper transfer or connection plan with an electrician

Bottom line: A good match for households that want substantial, expandable capacity and plan to use solar as part of their backup strategy.

Jackery Explorer 300 Portable Power Station

Jackery Explorer 300 Portable Power Station,292Wh | Backup LiFePO4 Battery, Solar Generator for Outdoors, Camping, Travel, Hunting, Blackout (Solar Panel Optional)

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Best for: Budget backup for phones, lights and a CPAP

This smaller unit is suited to short outages, keeping phones and lamps charged, and running a low-draw CPAP for a night. It is also a sensible entry point for people who are not yet sure how much backup they need.

Key specs

• Battery capacity: 292Wh
• Battery chemistry: LiFePO4
• Solar panel sold separately

Pros

• Light and easy to carry
• Good fit for CPAP overnight use at typical settings
• Lower entry point than the larger systems

Cons

• Runtime for a refrigerator is short, often only a few hours
• Cannot handle sump pumps or high-draw appliances

Bottom line: The most practical starting point for light backup needs, but not a whole-home solution.

Jackery HomePower 3000 and 2x200W Solar Panels

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

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Best for: Larger loads

This system is designed for households that need to start motor-driven appliances, such as a sump pump, while keeping a refrigerator and lights running through an extended outage.

Key specs

• Battery capacity: 3,072Wh
• AC output: 3,600W
• Surge rating: 7,200W
• Battery chemistry: LFP
• Includes two 200W solar panels

Pros

• High surge rating helps motor startup
• Substantial capacity for mixed loads
• Solar panels included

Cons

• Heavy and bulky
• Connecting to household circuits should be handled by a licensed electrician

Bottom line: A strong choice when a sump pump or other motor load is part of the plan.

Buying Guide

Battery capacity (watt-hours)

Watt-hours (Wh) measure how much energy the battery stores. To estimate runtime, divide the battery’s Wh by the device’s average wattage, then account for conversion losses of roughly 10 to 20 percent. A 2,000Wh unit running a 150W refrigerator (average, not peak) might supply on the order of 10 hours in practice, while a 300Wh unit would last only about two. Calculate your daily load before comparing units.

Good picks for this: UDPOWER S2400 Portable Power Station, Jackery HomePower 3600 Plus & 2x200W Solar Panels

Continuous output and surge rating

Continuous wattage is how much the unit can supply steadily. Surge rating matters for motors, such as sump pumps and refrigerator compressors, which draw a brief spike when starting. Check that the surge figure exceeds the starting draw of your heaviest motor load.

Good picks for this: Jackery HomePower 3000 and 2x200W Solar Panels, EF ECOFLOW Delta 3 Portable Power Station

Battery chemistry and lifespan

LiFePO4 (LFP) batteries are generally rated for more charge cycles than standard lithium-ion chemistries and handle heat somewhat better. Manufacturers typically list cycle counts; compare those figures rather than relying on general claims.

Good picks for this: UDPOWER S2400 Portable Power Station, Jackery Explorer 300 Portable Power Station

Outlets and connection options

Count the number of devices you need at once. Check for AC outlets, USB-A and USB-C ports, and a DC car-style port. Some units offer a UPS function, which can switch power quickly enough for sensitive electronics; confirm the switchover time in the listing.

Good picks for this: UDPOWER S2400 Portable Power Station, EF ECOFLOW Delta 3 Portable Power Station

Solar input and recharging

Solar recharging is slow compared with a wall outlet. A 400W array in good sun may recharge a mid-sized battery over a day, but cloudy weather extends that time considerably. Confirm the maximum solar input wattage the unit accepts and whether panels are included.

Good picks for this: Jackery HomePower 3600 Plus & 2x200W Solar Panels, Jackery HomePower 3000 and 2x200W Solar Panels

Size, weight and placement

Large capacity means heavier units. Plan where the generator will live, how you will move it, and whether it needs ventilation. Keep it indoors only if the manufacturer allows indoor use, and never run any fuel-burning generator in an enclosed space.

Good picks for this: EF ECOFLOW Delta 3 Portable Power Station, Jackery Explorer 300 Portable Power Station

Expandability and long-term use

If you may need more runtime later, check whether the system supports added battery modules. Expansion is useful, but it raises total cost of ownership, so buy for the load you expect now and leave room to grow.

Good picks for this: Jackery HomePower 3600 Plus & 2x200W Solar Panels

FAQ

Can a solar generator run a whole house?

Most portable units cannot run an entire home. They are better suited to essential circuits such as a refrigerator, lights, communications, and a few medical devices. Whole-home coverage usually requires a larger, permanently installed system.

How long will a solar generator run a refrigerator?

It depends on the refrigerator’s average daily consumption, which is often listed on its energy label, and on the battery’s usable capacity. A 2,000Wh-class battery may cover many hours of a modern refrigerator, while a 300Wh battery covers only a short period. Calculate with your appliance’s actual figure.

Is it safe to connect a solar generator to my home wiring?

Connecting to household circuits through a transfer switch or inlet should be done by a licensed electrician. Improper backfeeding can endanger utility workers and damage equipment. Plug-in use with individual devices is simpler and lower risk.

Can I use a solar generator for a CPAP machine?

Many CPAP machines draw modest power, so a mid-sized battery can often support overnight use. Check your device’s wattage and battery specifications, and consult your sleep provider or medical supplier before relying on backup power for medical equipment.

Will a solar generator power a sump pump?

It can, provided the unit’s surge rating exceeds the pump’s starting draw and its capacity covers the expected run time. Sump pumps can run for long periods during storms, so calculate runtime carefully.

How long does it take to recharge with solar panels?

Recharge time depends on panel wattage, sun intensity, weather and the unit’s maximum solar input. Expect a full recharge to take a day or more in typical conditions. Review the manufacturer’s stated solar charging time for your configuration.

Conclusion

For most households, the best solar generator for home backup power is the one that matches a measured load list. The UDPOWER S2400 is a strong overall choice with solar input and sizeable capacity. The EF ECOFLOW Delta 3 suits smaller spaces that need quick recharging. The Jackery HomePower 3600 Plus and HomePower 3000 bundles fit households with larger or motor-driven loads, while the Jackery Explorer 300 is a practical budget option for light needs. Confirm specifications on each listing and consult a licensed electrician for any connection to your home wiring.

Sources

• Guidance on home energy use, backup planning and portable power considerations (energy.gov)
• Safety recalls and product safety guidance for portable generators and batteries (cpsc.gov)
• Fire safety standards relevant to lithium battery storage and charging (nfpa.org)

Related reading

• Top 5 EcoFlow Power Stations with Solar Panel Options for Home Backup (2026)
• Home Backup With a Solar Generator: What It Can Power and How to Connect Safely
• 7 Best Generators for Home Backup Power of 2026
• 7 Best Generators for Home Backup Power Consumer Reports: Picks Compared (2026)
• Jackery Solar Generator Home Power 3000: 4 Best Options Compared (2026)
• Best Solar Generators for Home Backup

About Lauren Holland

Lauren Holland is part of our editorial team and reviews and edits our solar generators for home backup & emergencies guides, checking product details against manufacturer specifications and owner feedback.