10 Best Solar Generators 2026 in the United States

The EF ECOFLOW Solar Generator DELTA2 is a robust solution for those seeking clean and portable power, perfect for camping, RVs, or as a backup at home. One of its standout features is the impressive 1800W output, which allows it to power most household appliances without any emissions or noise, making it a great alternative to traditional generators. Its LFP battery offers a significant lifespan of over 3000 charge cycles, which means this unit will last for years with proper care. The ability to expand its capacity from 1kWh to 3kWh by adding extra batteries is a great plus for users with greater power needs.

Portability is another strong point, as the DELTA2 and its 220W bifacial solar panel are designed to be mobile, making them suitable for outdoor activities. The solar panel's ability to capture up to 25% more energy thanks to its bifacial design enhances its efficiency significantly.

The EF ECOFLOW Solar Generator DELTA2 is an excellent choice for individuals or families who need reliable, eco-friendly power for outdoor adventures or backup during outages.

The EF ECOFLOW Solar Generator DELTA Pro 3 is a robust and versatile solar generator designed for home use, camping, emergencies, power outages, and RVs. One of its primary strengths is its substantial 4096Wh battery capacity, which can be expanded up to 48kWh, making it capable of providing 2-4 days of backup power for an entire home. The 4000W AC output (scalable up to 12000W) ensures it can power nearly all essential appliances, including heavy-duty ones like a 3-ton central AC or a water pump. This makes it a suitable option for those needing a dependable, high-power solution during outages or off-grid scenarios.

The unit is highly flexible with multiple charging options, including solar panels, AC wall outlets, and even EV charging piles, which means users can recharge it in various situations without relying on fuel. Its portability is enhanced by a handle design, but at 115 pounds, it may not be easy to move around frequently. The generator operates quietly at 30 dB, ensuring minimal disturbance whether used indoors or outdoors. Another major advantage is its quick 10 ms switch-over capability, which ensures uninterrupted power supply to sensitive devices.

The build quality is reliable, featuring automotive-grade LFP cells and IP65-rated battery technology for an extended lifespan and durability. It also comes with a 5-year warranty, which adds peace of mind. However, potential buyers should be prepared for the bulkiness and weight, and note that the generator and solar panels are shipped separately, which may require some patience. This solar generator is ideal for someone looking for a powerful and reliable backup solution for home use or outdoor activities.

The EF ECOFLOW Portable Power Station DELTA 2 is a versatile solar generator with a 1024Wh LiFePO4 (LFP) battery, making it a solid choice for home backup power, camping, and RV use. One of its standout features is the rapid charging capability, reaching 80% in just 50 minutes and 100% in 80 minutes with AC input. This is particularly beneficial for those who need quick power replenishment.

Its expandability from 1kWh to 3kWh ensures that users can adjust the capacity according to their needs, which is great for off-grid living or extended trips. The power station delivers an impressive 1800W output, allowing it to handle a wide range of appliances, making it as powerful as traditional outdoor generators but without the associated noise and fumes. With 15 outlets, it provides ample connectivity for various devices.

The option to charge using up to 500W of solar panel input underscores its eco-friendly credentials, though the solar panels need to be purchased separately. Weighing 27 pounds, it strikes a balance between portability and power, though it may still be a bit heavy for some users. The LFP battery technology ensures a long lifespan with over 3000 cycles, adding to its durability. It is ideal for those requiring reliable, fast-charging, and expandable power solutions for both emergencies and outdoor activities.