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10 Best Off Grid Solar Generators 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#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

Rating
10.0
Chosen by1,304
Battery Capacity
Power Output
Solar Input

Most important from
475 reviews

Battery Capacity
The 1,024Wh capacity and efficient expansion options make the Delta 2 a compelling choice for off-grid power needs.
Power Output
The Delta 2 has made living in a van very comfortable, powering multiple appliances flawlessly even in extreme temperatures.
Solar Input
The solar panel and power station combo works well, though a longer cable would be beneficial for indoor storage while charging.
Expandability
The 1,024Wh capacity and efficient expansion options make the Delta 2 a compelling choice for off-grid power needs.

The EF ECOFLOW Solar Generator DELTA2 stands out with its impressive 1800W power output, making it capable of handling 90% of common appliances, which is superb for off-grid scenarios. The LFP (LiFePO4) battery is another highlight, boasting a long lifespan with 3000+ cycles, ensuring durability and reliability over years of use.

Portability is reasonably managed with a weight of 58 pounds, which can be carried for camping or RV trips, although it might be heavy for some users. The included 220W bifacial solar panel is efficient, capturing up to 25% more energy, and the ability to handle up to 500W solar input means faster recharging in sunny conditions.

The expandability is a significant advantage, allowing users to increase the capacity from 1kWh to up to 3kWh by adding extra batteries, which is ideal for extended power needs. One downside is that the solar panel and power station ship separately, which might be inconvenient. The DELTA2 appears to be a solid option for those needing reliable, expandable, and efficient power solutions for off-grid living.

Rating
10.0
Chosen by1,304
Battery Capacity
Power Output
Solar Input

Most important from
475 reviews

Battery Capacity
The 1,024Wh capacity and efficient expansion options make the Delta 2 a compelling choice for off-grid power needs.
Power Output
The Delta 2 has made living in a van very comfortable, powering multiple appliances flawlessly even in extreme temperatures.
Solar Input
The solar panel and power station combo works well, though a longer cable would be beneficial for indoor storage while charging.
Expandability
The 1,024Wh capacity and efficient expansion options make the Delta 2 a compelling choice for off-grid power needs.
#2

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)

Rating
10.0
Battery Capacity
Power Output
Portability

Most important from
1658 reviews

Battery Capacity
Compared to the Ecoflow Delta 2, the Explorer 1000 v2 is more affordable and offers a slightly larger capacity, along with a handy LED lamp and front-facing AC sockets for easier access during emergencies.
Power Output
The Jackery Explorer 1000 outperformed the DJI Portable Power Station significantly, remaining quiet and cool even after an hour of use with a 1,000W heater, whereas the DJI struggled and heated up.
Portability
The Jackery is not only more lightweight than some competitors but also offers excellent battery management, maintaining 40% battery life after an hour-long test with a high-power appliance.

The Jackery Explorer 1000 v2 Portable Power Station is a solid choice for off-grid living, camping, and emergencies. With a 1,070Wh battery capacity and a 1,500W AC power output, it can handle various appliances, making it versatile for multiple scenarios. Portability is a plus, given its lightweight of 23.8 lbs and a foldable handle, making it easy to transport.

A significant advantage is the one-hour fast charging feature, which allows the battery to reach 100% quickly, although it defaults to a 1.7-hour charge time to maintain battery health. The device features multiple ports, including USB-C, USB-A, and AC ports, allowing for the simultaneous charging of several devices. The use of a durable LFP battery ensures more than 10 years of lifespan with over 4,000 charge cycles, which is impressive for long-term use.

The inverter type being pure sine wave is ideal as it provides clean power, safe for sensitive electronics. However, one downside is the need to activate the emergency charging function via the Jackery App each time to enjoy the one-hour super charging, which might be a bit inconvenient for some users. Additionally, while the product dimensions are compact, there is no mention of expandability, which could be a limitation for users looking to scale their power needs in the future. Lastly, solar panels are optional and not included, which may require additional investment.

Rating
10.0
Battery Capacity
Power Output
Portability

Most important from
1658 reviews

Battery Capacity
Compared to the Ecoflow Delta 2, the Explorer 1000 v2 is more affordable and offers a slightly larger capacity, along with a handy LED lamp and front-facing AC sockets for easier access during emergencies.
Power Output
The Jackery Explorer 1000 outperformed the DJI Portable Power Station significantly, remaining quiet and cool even after an hour of use with a 1,000W heater, whereas the DJI struggled and heated up.
Portability
The Jackery is not only more lightweight than some competitors but also offers excellent battery management, maintaining 40% battery life after an hour-long test with a high-power appliance.

Buying Guide for the Best Off Grid Solar Generators

Choosing the right off-grid solar generator can be a game-changer for your energy needs, especially if you are looking for a reliable power source in remote areas or during emergencies. The key to making the best choice is understanding the various specifications and how they align with your specific requirements. Here are the main specs you should consider and how to navigate them to find the best fit for you.
Battery CapacityBattery capacity, measured in watt-hours (Wh), indicates how much energy the generator can store. This is crucial because it determines how long you can power your devices. If you need to run high-energy appliances like refrigerators or power tools, look for a generator with a higher capacity (over 1000Wh). For smaller devices like phones and laptops, a lower capacity (300-500Wh) might suffice. Assess your energy consumption needs to choose the right capacity.
Power OutputPower output, measured in watts (W), tells you how much power the generator can provide at any given moment. This is important because it affects what devices you can run simultaneously. Generators with higher power output (over 1000W) can handle multiple or high-wattage devices, while those with lower output (300-500W) are suitable for smaller gadgets. Consider the total wattage of the devices you plan to use to determine the appropriate power output.
Solar InputSolar input, measured in watts (W), indicates the maximum amount of solar power the generator can accept. This is important for recharging the generator efficiently using solar panels. Higher solar input (over 200W) means faster recharging times, which is beneficial if you rely heavily on solar energy. If you have limited solar panel capacity or less frequent sunlight, a lower solar input (100-200W) might be adequate. Match the solar input with your solar panel setup and sunlight availability.
PortabilityPortability refers to the ease of transporting the generator, often influenced by its weight and design. This is crucial if you plan to move the generator frequently, such as for camping or outdoor activities. Lightweight and compact models (under 20 lbs) are easier to carry, while heavier models (over 40 lbs) might offer more power but are less portable. Consider how often and where you will be using the generator to decide on the right balance between power and portability.
Inverter TypeThe inverter type determines the quality of the power output. Pure sine wave inverters provide clean, stable power suitable for sensitive electronics, while modified sine wave inverters are less expensive but may not be compatible with all devices. If you plan to power sensitive equipment like laptops or medical devices, opt for a pure sine wave inverter. For basic appliances and tools, a modified sine wave inverter might be sufficient. Choose based on the types of devices you need to power.
ExpandabilityExpandability refers to the ability to add more batteries or solar panels to increase the generator's capacity and input. This is important if you anticipate growing your energy needs in the future. Generators with expandable options allow you to scale up without replacing the entire system. If you foresee needing more power or longer usage times, look for models that support expandability. If your needs are stable, a non-expandable model might be more cost-effective.

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