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10 Best Solar Backup Generators 2025 in the United States
#1
Winner
EF ECOFLOW Solar Generator DELTA2 with 220W Solar Panel, LFP(LiFePO4) Battery, Fast Charging, Portable Power Station for Home Backup Power, Camping & RVs
The EF ECOFLOW Solar Generator DELTA2 with 220W Solar Panel is a reliable and versatile option for those needing backup power for home, camping, or RV trips. With a substantial battery capacity of 1024 watt-hours and a power output of 1800 watts, it can handle most household and outdoor appliances. The included 220W bifacial solar panel enhances energy capture by up to 25%, making it efficient for off-grid use. One standout feature is its durability, with the LFP battery offering a lifespan of over 3000 cycles, ensuring long-term use.
Rating
10.0
Chosen by1,362
Battery Capacity
Power Output
Solar Panel Compatibility
Most important from
4036 reviews
#2
EF ECOFLOW DELTA 3 Portable Power Station, 1024Wh LiFePO4 Battery, Full Charge in 56 Min, 1800W AC/100W USB-C Output, Solar Generator(Solar Panel Optional) for Home Backup Power, Camping & RVs
The EF ECOFLOW DELTA 3 is a powerful and versatile portable solar backup generator designed for home backup, camping, and RV use. It features a substantial 1024Wh LiFePO4 battery, which is known for its long lifespan and durability—rated for about 4000 charge cycles and a 10-year daily use expectancy. This means it can last much longer than many other batteries on the market, making it a reliable long-term investment.
Rating
10.0
Battery Capacity
Power Output
Solar Panel Compatibility
Most important from
4036 reviews
#3
Jackery Explorer 1000 v2 Portable Power Station,1070Wh LiFePO4 Battery,1500W AC/100W USB-C Output, 1 Hr Fast Charge, Solar Generator for Camping,Emergency, RV, Off-Grid Living(Solar Panel Optional)
The Jackery Explorer 1000 v2 Portable Power Station is a reliable and versatile option for those needing a solar backup generator for camping, emergencies, RV trips, or off-grid living. It offers a substantial 1,070Wh battery capacity and a powerful 1,500W AC output, which can handle various appliances, including fridges and electric pots. With its lightweight design (23.8 lbs) and foldable handle, it is highly portable and easy to carry around.
Rating
9.9
Battery Capacity
Power Output
Portability
Most important from
2305 reviews
Top 10 Best Solar Backup Generators 2025 in the United States
#1
Winner
EF ECOFLOW Solar Generator DELTA2 with 220W Solar Panel, LFP(LiFePO4) Battery, Fast Charging, Portable Power Station for Home Backup Power, Camping & RVs
EF ECOFLOW Solar Generator DELTA2 with 220W Solar Panel, LFP(LiFePO4) Battery, Fast Charging, Portable Power Station for Home Backup Power, Camping & RVs
Battery Capacity: 1024 watt-hours
Power Output: 1800 watts
Solar Panel Compatibility: 220W bifacial panel
Portability: 58 pounds
Charging Options: AC, car, solar
Durability and Build Quality: LFP battery, 3000+ cycles
Chosen by 1362 this week
EF ECOFLOW DELTA 3 Portable Power Station, 1024Wh LiFePO4 Battery, Full Charge in 56 Min, 1800W AC/100W USB-C Output, Solar Generator(Solar Panel Optional) for Home Backup Power, Camping & RVs
EF ECOFLOW DELTA 3 Portable Power Station, 1024Wh LiFePO4 Battery, Full Charge in 56 Min, 1800W AC/100W USB-C Output, Solar Generator(Solar Panel Optional) for Home Backup Power, Camping & RVs
Battery Capacity: 1024Wh
Power Output: 1800W cont., 2200W surge, 3600W X-Boost
Solar Panel Compatibility: Supports 500W solar input, panels separate
Portability: 27.5 lbs, compact design
Charging Options: AC wall, car, solar charging
Durability and Build Quality: IP65, 4000 cycles, 10-year life
Inverter Type: Electronic
Jackery Explorer 1000 v2 Portable Power Station,1070Wh LiFePO4 Battery,1500W AC/100W USB-C Output, 1 Hr Fast Charge, Solar Generator for Camping,Emergency, RV, Off-Grid Living(Solar Panel Optional)
Jackery Explorer 1000 v2 Portable Power Station,1070Wh LiFePO4 Battery,1500W AC/100W USB-C Output, 1 Hr Fast Charge, Solar Generator for Camping,Emergency, RV, Off-Grid Living(Solar Panel Optional)
Battery Capacity: 1070Wh
Power Output: 1500W AC
Portability: 23.8 lbs, foldable handle
Charging Options: USB-C, USB-A, DC car port, AC
Durability and Build Quality: robust
Jackery Solar Generator 300, 293Wh Backup Lithium Battery with 1XSolar Panel SolarSaga 100W, 110V/300W Pure Sine Wave AC Outlet for RV Outdoors Camping Travel Blackout
Jackery Solar Generator 300, 293Wh Backup Lithium Battery with 1XSolar Panel SolarSaga 100W, 110V/300W Pure Sine Wave AC Outlet for RV Outdoors Camping Travel Blackout
Battery Capacity: 293Wh
Power Output: 300W
Solar Panel Compatibility: Jackery SolarSaga 100W panel
Portability: 7.1 pounds
Charging Options: AC, USB-C PD, solar charging
Durability and Build Quality: sturdy plastic shell
Inverter Type: pure sine wave
EF ECOFLOW Solar Generator 120V/3.6KWh DELTA Pro with 400W Portable Solar Panel, 23% High Efficiency, 5 AC Outlets, 3600W Portable Power Station for Home Backup Outdoors Camping RV Emergency
EF ECOFLOW Solar Generator 120V/3.6KWh DELTA Pro with 400W Portable Solar Panel, 23% High Efficiency, 5 AC Outlets, 3600W Portable Power Station for Home Backup Outdoors Camping RV Emergency
Battery Capacity: 3600Wh
Power Output: 3600W, boost to 4500W
Solar Panel Compatibility: 400W portable panel
Portability: Main: 99 lbs, Panel: 35.3 lbs
Charging Options: Solar: 3.5-11 hours, Multiple setups
Durability and Build Quality: IP68 waterproof
Related Products
Up to 12% off
EF ECOFLOW Portable Power Station DELTA 2 Max, 2400W LFP Solar Generator, Full Charge in 1 Hr, 2048Wh Solar Powered Generator for Home Backup(Solar Panel Optional)
EF ECOFLOW Portable Power Station DELTA 2 Max, 2400W LFP Solar Generator, Full Charge in 1 Hr, 2048Wh Solar Powered Generator for Home Backup(Solar Panel Optional)
Battery Capacity: 2048 watt-hours
Power Output: 2400W
Solar Panel Compatibility: Yes
Portability: 50 pounds
Charging Options: 80% in 43 minutes, 1.1 hours
Durability and Build Quality: 10-year LFP battery, 3000 cycles
BLUETTI Solar Generator Elite 200 V2, 2073.6Wh LFP Battery Backup w/ 4 2600W AC Outlets (3900W Power Lifting), 17-Year Lifespan, Portable Power Station for Camping, Off-grid
BLUETTI Solar Generator Elite 200 V2, 2073.6Wh LFP Battery Backup w/ 4 2600W AC Outlets (3900W Power Lifting), 17-Year Lifespan, Portable Power Station for Camping, Off-grid
Battery Capacity: 2073.6 Watt-hours
Power Output: 2600W continuous, 5200W peak
Solar Panel Compatibility: Supports solar charging with MPPT
Portability: 53.4 pounds, compact size
Charging Options: AC/DC inputs, TurboBoost, 80% in 50min
Durability and Build Quality: Robust build, multi-layer safety features
Inverter Type: Inverter
#10
Jackery Solar Generator 2000 v2 with 2x200W Solar Panels, 2042Wh/2200W LiFePo4 Portable Power Station, 20ms UPS Home Backup, USB-C PD 100W Fast Charging for Power Outages, Emergencies, Camping & RVing
Jackery Solar Generator 2000 v2 with 2x200W Solar Panels, 2042Wh/2200W LiFePo4 Portable Power Station, 20ms UPS Home Backup, USB-C PD 100W Fast Charging for Power Outages, Emergencies, Camping & RVing
Battery Capacity: 2042Wh
Power Output: 2200W
Solar Panel Compatibility: Two 200W panels
Portability: 39.5 lbs
Charging Options: Fast AC, emergency, solar charging
Durability and Build Quality: LiFePo4 battery, up to 10 years
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Buying Guide for the Best Solar Backup Generators
Choosing the right solar backup generator can be a game-changer for ensuring you have power during outages or when you're off the grid. The key to making the best choice is understanding your power needs and how different specifications of solar generators can meet those needs. Here are some important specifications to consider when selecting a solar backup generator, along with explanations to help you navigate through them.Battery CapacityBattery capacity, measured in watt-hours (Wh), indicates how much energy the generator can store. This is crucial because it determines how long the generator can power your devices. If you need to run high-energy appliances like refrigerators or multiple devices for extended periods, look for a higher capacity (e.g., 1000Wh or more). For occasional use or smaller devices, a lower capacity (e.g., 300-500Wh) might suffice. Assess your energy consumption needs to choose the right capacity.
Power OutputPower output, measured in watts (W), tells you the maximum amount of power the generator can provide at any given time. This is important because it affects what devices you can run simultaneously. Generators with higher power output (e.g., 1000W or more) can handle larger appliances, while those with lower output (e.g., 300-500W) are better for smaller electronics. Consider the wattage requirements of the devices you plan to use to determine the appropriate power output.
Solar Panel CompatibilitySolar panel compatibility refers to the types and sizes of solar panels that can be used to recharge the generator. This is important for ensuring efficient recharging, especially if you rely on solar energy as your primary power source. Some generators come with built-in panels, while others require separate purchases. Check the input specifications and ensure the panels you choose are compatible with the generator. If you need faster recharging, look for generators that support higher wattage solar panels.
PortabilityPortability is about the size, weight, and ease of transporting the generator. This is crucial if you plan to use the generator for camping, traveling, or moving it around your home. Lighter and more compact models are easier to carry but may have lower capacity and output. Heavier models might offer more power but can be cumbersome to move. Consider how and where you will use the generator to decide on the right balance between portability and power.
Charging OptionsCharging options refer to the different ways you can recharge the generator, such as solar panels, wall outlets, or car chargers. This is important for flexibility and convenience, especially in different scenarios. Generators with multiple charging options provide more versatility. If you need a generator for emergencies, ensure it can be charged quickly and through various means. Evaluate your typical usage scenarios to choose a generator with suitable charging options.
Durability and Build QualityDurability and build quality indicate how well the generator can withstand wear and tear, weather conditions, and rough handling. This is important for ensuring longevity and reliability, especially if you use the generator outdoors or in harsh environments. Look for generators with robust construction, weather-resistant features, and good customer reviews on durability. If you need a generator for frequent outdoor use, prioritize models known for their ruggedness.
Inverter TypeThe inverter type determines the quality of the power output, with pure sine wave inverters providing cleaner and more stable power compared to modified sine wave inverters. This is important for sensitive electronics like laptops and medical devices, which require stable power to function properly. If you plan to power such devices, opt for a generator with a pure sine wave inverter. For less sensitive devices, a modified sine wave inverter might be sufficient.