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Power outages, storms and grid interruptions can make home backup power feel much more important. A solar generator can help keep essential devices running without the noise, fuel storage or indoor carbon monoxide risk of a gas generator.
For most homes, a solar generator is not designed to power every appliance in the house. It is usually best for essentials such as a refrigerator, WiFi router, phones, laptops, lights, CPAP machines and small medical devices, depending on the battery size and output rating.
This guide compares some of the best solar generators for home backup in 2026, explains what to look for before buying, and shows how to choose the right size for power outages and emergency use.
Quick Answer: Best Solar Generators for Home Backup
For most home backup situations, the best solar generator depends on how much power you need during an outage. Smaller units around 700Wh can handle phones, lights, routers and basic apartment backup. Mid-size units around 2,000Wh are better for refrigerators, CPAP machines, laptops and multiple essentials. Larger expandable systems such as EcoFlow Delta Pro-style setups are better for longer outages or heavier home backup needs.
Before buying, check battery capacity, AC output wattage, surge rating, pure sine wave output, battery chemistry, solar input and whether the unit can expand with extra batteries.
What Is A Solar Generator For Home Backup?
A solar generator is basically a bundle that brings together a large rechargeable battery (so it’s really a battery power station), a power inverter to turn that stored energy into usable household electricity (AC), and a charger that connects directly to solar panels. The solar panels use sunlight to make electricity during the day, which charges the battery. Most units also let you charge up from a wall outlet or your car, but adding solar panels is what sets these apart for offgrid backup.
What makes a battery-based solar generator practical during power outages is its quiet operation, portability and lack of combustion exhaust during normal use. Unlike fuel-burning generators, portable power stations do not produce carbon monoxide while operating. They can be used indoors when operated according to the manufacturer’s instructions, kept dry and provided with adequate ventilation.
What To Look For In A Solar Generator For Home Backup
Choosing a solar generator for home backup is not simply about finding the largest battery. Several specifications determine how useful a system will be during an emergency or extended outage:
- Battery Capacity (Wh): Battery capacity indicates how much energy the unit can store. Higher capacity can support more devices or longer runtimes, although usable energy will normally be lower than the advertised capacity.
- Inverter Power (W): Continuous AC output determines how much power the unit can supply during normal operation, while surge output matters for appliances such as refrigerators that can briefly draw more power when starting.
- Expandability: Some systems support additional batteries, allowing backup capacity to grow if your needs change or you want to prepare for longer outages.
- Charging Speed: AC and solar charging rates matter during extended outages. Faster recharging can help restore battery capacity when grid power briefly returns or adequate sunlight is available.
- Ease of Use: A clear display, accessible ports, straightforward controls and useful app features can make the system easier to manage during an outage.
Quick Comparison Table: Top Solar Generators For Home Backup
| Model | Battery Capacity | AC Output | Best For |
|---|---|---|---|
| EcoFlow Delta Pro | 3,600Wh, expandable | 3,600W | Larger home backup |
| Bluetti AC200MAX | 2,048Wh, expandable | 2,200W | Medium home essentials |
| Jackery Explorer 2000 Plus | 2,048Wh, expandable | 3,000W | Portable home backup |
| Anker SOLIX F2000 | 2,048Wh, expandable | 2,400W | Mid-range backup |
| BLUETTI EB70S | 716Wh | 800W | Apartments and small essentials |
The models below cover several backup-power categories, from compact units for essential devices to larger expandable systems designed for longer outages. Compare current specifications, compatibility and pricing before choosing a system for your home.
Best Solar Generators For Home Backup (Top Picks)
EcoFlow Delta Pro
- Battery: 3,600 Wh (expandable up to 25,000 Wh with extra batteries)
- Output: 3,600 W (7,200 W surge)
- Charging: 1,800 W AC (fastest in its class), solar up to 1,600 W
- Weight: 99 lbs
With 3,600Wh of battery capacity and high AC output, the EcoFlow Delta Pro is designed for larger backup loads such as refrigerators, lights, routers and selected household devices, provided their combined power requirements remain within the system’s limits. Its expandable battery design can also increase stored energy for longer outages. At around 99 lbs, however, it is considerably heavier than smaller portable power stations, so its wheels and handles are important when moving it.
Pros:
- High battery capacity for extended backup
- Multiple charging options
- Expandable battery capacity
- Wide selection of AC, USB and DC connections
Cons:
- Expensive
- Heavy, so not the most portable
Best for: Larger backup needs, longer outages and households that want an expandable portable system rather than a permanently installed backup solution.
Not for: People living in apartments or needing something you can carry with one hand.
See EcoFlow official store and current prices
Bluetti AC200MAX
- Battery: 2,048 Wh (expandable up to 8,192 Wh with extra batteries)
- Output: 2,200 W (4,800 W surge)
- Charging: Up to 900 W solar, 500 W AC (can combine), charges in about 2 hours
- Weight: 61.9 lbs
The Bluetti AC200MAX is a mid-size option for households that want to support a refrigerator, lights, router, TV or several smaller devices during an outage. Its LiFePO4 battery chemistry is designed for a long cycle life, and the system supports expansion batteries for users who need additional stored energy. Actual appliance compatibility and runtime depend on starting surge, continuous load and total energy use.
Pros:
- Covers many AC and DC setups
- Competitive capacity for its class
- Expandable and not too big for most spaces
- Touchscreen interface
Cons:
- Solar panels sold separately
- Might be heavy for small households or folks with mobility issues
Best for: Home backup for fridges, sump pumps, or multiple devices together.
Not for: People with hardly any storage room.
Jackery Explorer 2000 Plus
- Battery: 2,048 Wh (expandable up to 12,000 Wh)
- Output: 3,000 W (6,000 W surge)
- Charging: 1,800 W AC input (charges in 2 hours), up to 1,200 W solar charging (fast)
- Weight: 61.5 lbs
The Jackery Explorer 2000 Plus combines expandable battery capacity with high AC output in a portable backup system. It may suit households that want a system that can be used for home backup while remaining movable for other applications.
Pros:
- High output for appliances and tools
- Expandable battery system
- High AC output
- App-based monitoring and controls
Cons:
- Expansion batteries cost extra money
- No 240V for big home HVAC systems
Best for: Homeowners after a portable but powerful backup, or anyone who wants to move their system between home and the road.
Not for: Those wanting to run all home circuits or the biggest appliances around the clock.
Anker SOLIX F2000 (PowerHouse 767)
- Battery: 2,048 Wh (expandable up to 4,096 Wh)
- Output: 2,400 W (4,800 W surge)
- Charging: 1,000 W AC, up to 1,000 W solar (hybrid charging)
- Weight: 67.3 lbs
The Anker SOLIX F2000 is a practical mid-range option for users who want a portable LiFePO4 power station with strong output, wheels and a straightforward interface.
Pros:
- Flexible for various charging setups
- Solid range of available ports
- Rugged but easy to move
- Longlasting LFP batteries
Cons:
- Expansion is more limited than some rivals
- Solar panel kits can add up in price
Best for: Users looking for a mid-size portable system for outages and essential household backup.
Not for: Running big HVAC or energy-hungry medical equipment.
BLUETTI EB70S (Affordable, Compact Pick)
- Battery: 716 Wh
- Output: 800 W (1,400 W surge)
- Charging: 200 W AC or solar (full charge in under 5 hours)
- Weight: 21.4 lbs
The BLUETTI EB70S is better suited to small backup needs such as phones, routers, lights, laptops, CPAP machines or compact devices, rather than large household appliances.
Pros:
- Low cost and lightweight
- Small enough for underbed or closet storage
- Suitable for many low-power electronics and essential devices
Cons:
- No expandability options
- Not built for big fridges or power tools
Best for: Apartments and people looking for something out-of-the-way and easy to move.
Not for: Anyone needing to power big appliances for long periods.
How Long Can A Solar Generator Power Your Home?
Every solar generator’s battery size, how fast you draw power, and your household’s power use habits will affect how long you get backup. A 2,000Wh solar generator may run a refrigerator, router and a few small devices for part of a day, but exact runtime depends on the appliance, cycling, inverter losses and battery condition. Here’s a sample of typical power draws:
- Fullsize fridge: 120–150 W (cycles on and off)
- Internet router: 10–20 W
- LED lights (6 bulbs): 60 W altogether
- Phone charging: 5–10 W per device
- CPAP machine: 40 W
The best strategy is to pace your power use—run only the most important stuff, and cycle devices instead of plugging everything in at once. If you add expansion batteries to a larger generator, you could cover essential loads for days, especially if the sun peeks out and you get a daytime recharge.
For a deeper breakdown, see the guide on how long a portable power station can run a refrigerator during a blackout.
Want to estimate your own outage runtime? The Home Power Outage Planner & Runtime Toolkit lets you enter your battery capacity and essential devices to estimate your energy needs for 24, 48 and 72 hours. View the Outage Planner & Runtime Toolkit.
Solar Generator vs Gas Generator For Home Backup
- Noise: Battery-based solar generators operate much more quietly than combustion generators, although cooling fans may still be audible under heavier loads.
- Maintenance: Portable power stations generally require less routine maintenance than fuel generators because there is no engine oil, fuel system or carburetor to maintain. Battery condition and storage charge should still be checked periodically.
- Safety: Battery power stations do not produce combustion exhaust or carbon monoxide during normal operation. They can be used indoors when operated according to the manufacturer’s instructions. Fuel-burning generators must be operated outdoors and positioned safely away from doors, windows and other openings.
- Convenience: Portable power stations can usually be started with a button and do not require fuel handling. Fuel generators require safe fuel storage, refueling and additional maintenance.
Fuel generators can provide high continuous output for heavier loads, while battery-based solar generators are often more convenient for quiet indoor backup of selected essentials. The better option depends on the appliances you need to run, required runtime, available charging options and outage duration.
Never operate a fuel-burning generator indoors, in a garage or near doors, windows or vents because carbon monoxide can build up to dangerous levels. Follow the generator manufacturer’s placement and operating instructions.
Not Sure How Much Backup Power You Actually Need?
Before choosing a solar generator, it helps to estimate how much energy your essential devices may use during an outage.
The Ecowised Home Power Outage Planner & Runtime Toolkit includes a printable planning guide and an Excel runtime calculator to help you list your essential devices, estimate their energy needs, and compare your available battery capacity with 24, 48 and 72-hour outage scenarios.
Get the Home Power Outage Planner & Runtime Toolkit — £8.99
How To Choose The Right Size (Small, Medium, Large Homes)
Start by listing the devices you would consider essential during an outage. Check their rated wattage and, where possible, measure or estimate how much energy they use over time. Then compare your expected energy requirement with the power station’s usable battery capacity, continuous AC output and surge rating. This provides a more realistic starting point than choosing a system by battery size alone.
Small apartments or basic backup
Around 700–1,500Wh: May be suitable for phones, lights, WiFi equipment, laptops and other low-power essentials. Refrigerator or CPAP use requires checking the individual device’s wattage, startup requirements and expected runtime.
Medium home essentials
Around 2,000–3,600Wh: Provides more stored energy for combinations such as a refrigerator, router, lights, phones and laptops, provided the total load remains within the power station’s output limits.
Larger home backup
Expandable systems: May be more appropriate for longer outages, multiple appliances or higher energy requirements. Larger loads may also require professional advice and equipment designed for home electrical integration.
Tips For Power Outages With Solar Generators
- Prioritize essentials first: Keep the fridge, internet, and a light or two powered. Save less important electronics until the outage has passed or you have surplus.
- Manage your loads: Avoid running unnecessary devices at the same time. Charge smaller electronics when other loads are low and prioritize appliances according to your available battery capacity.
- Save battery wherever possible: Unplug things when not charging. LED bulbs, batteryoperated fans, and turning off standby electronics save a surprising amount of electricity.
- Make the most of available solar charging: Position compatible panels according to the manufacturer’s guidance and avoid unnecessary shading. Solar recharge varies considerably with panel size, weather, season, location and the power station’s maximum solar input.
- Test the setup before an outage: Check that your essential devices operate within the power station’s continuous and surge limits, and become familiar with charging and shutdown procedures before an emergency..
Related Portable Power Guides
- Solar Generator Sizing Guide
- Portable Power Station Safety Guide
- Do You Need a Pure Sine Wave Portable Power Station?
- LiFePO4 vs Lithium-Ion Portable Power Stations
- How Long Can a Portable Power Station Run a Refrigerator?
- Best Portable Power Stations for CPAP Machines
- Can You Use a Portable Power Station While Charging?
- Portable Power Station vs Solar Generator
- Best Portable Power Stations for Storm Preparedness
Wrapping Up
A solar generator can be a practical backup option for keeping essential devices running during power outages, especially if you want quiet indoor power without storing fuel. The best choice depends on your battery capacity needs, AC output, surge rating, solar input, battery chemistry and whether you need expandability.
For most households, the goal is not to power everything at once. It is to keep the most important devices running safely: refrigeration, communication, lighting, medical essentials and basic comfort. Compare current manufacturer specifications carefully, estimate your essential loads before buying, and choose a system whose battery capacity, continuous output and surge capability match your actual outage needs.
Check EcoFlow systems for reliable off-grid power solutions
Note: Product availability and pricing may vary by region.
Frequently Asked Questions
Can a solar generator power a whole house?
Most portable solar generators cannot power an entire house in the same way as a permanently installed backup system. They are usually better for essential loads such as a refrigerator, router, lights, phones, laptops, CPAP machines and selected small appliances. Larger expandable systems can support more devices, but whole-house backup usually requires careful sizing and sometimes professional installation.
How long will a solar generator last during an outage?
Runtime depends on battery capacity, the devices connected, inverter losses and whether the unit can recharge from solar panels during the day. A 2,000Wh solar generator may run a refrigerator and a few small essentials for part of a day, but exact results vary by appliance, temperature and usage pattern.
Is a solar generator better than a gas generator?
A solar generator is usually better for quiet indoor backup, low maintenance and powering smaller essentials without fuel or exhaust fumes. A gas generator can provide more continuous power for heavy loads, but it must be used outdoors because of carbon monoxide risk. The better choice depends on your backup needs, budget and safety requirements.
What size solar generator do I need for home backup?
The right size depends on which devices you need to run, their wattage, daily energy use and how long you expect to operate them. Smaller systems may be enough for phones, lights, routers and laptops, while refrigerators and multiple essentials generally require more battery capacity and higher output. Calculate your expected loads first, then compare them with the power station’s usable capacity, continuous output and surge rating.
Can I run a refrigerator on a solar generator?
Yes, many refrigerators can run from a solar generator if the unit has enough battery capacity, continuous AC output and surge wattage. Refrigerators use compressors that may need extra startup power, so always check the fridge label and the solar generator’s output rating before relying on it during an outage.