10 Best Compact Solar Generators 2025 in the United States

The EF ECOFLOW Solar Generator DELTA2 is a solid choice for those in need of a reliable, portable power station for home backup, camping, or RV trips. With a battery capacity that can expand from 1kWh to 3kWh, this generator offers flexibility depending on your needs. The LFP battery is built to last, providing over 3000 cycles, ensuring long-term use.

The generator's power output is impressive, capable of delivering 1800W and peaking at 2700W, allowing it to handle 90% of household appliances without the noise and fumes associated with traditional generators. Additionally, it comes with 15 outlets, offering a variety of connection options for different devices. Charging is convenient, with multiple options including AC, car, and solar panel input.

The included 220W bifacial solar panel can capture up to 25% more energy, making it efficient for off-grid use. However, the unit is quite heavy at 58 pounds, which might affect its portability for some users. While the fast AC charging and the ability to control the generator remotely are excellent features, the generator's size might be a drawback for those looking for something more compact. It serves as a comprehensive solution for those needing a mix of home backup power and portable energy for outdoor activities.

The EF ECOFLOW Power Station 4096Wh DELTA Pro 3 is a robust choice for those seeking a powerful and versatile solar generator. Its impressive 4096Wh battery capacity, expandable up to 48kWh, makes it an excellent option for extensive home backup, camping, or emergencies. The generator's power output is substantial, with a 4000W AC output that can be boosted to 6000W, capable of running major home appliances. This versatility is enhanced by its compatibility with multiple charging options, including solar panels and other AC sources, providing flexibility in various circumstances.

However, its portability might be a concern for some users, as the unit weighs 150 pounds, which could limit ease of transport despite its portable handle design. The product's design does compensate with quiet operation, thanks to X-Quiet technology, making it suitable for both indoor and outdoor use without noise disturbances.

The solar panel compatibility is another strong point, with a 400W solar panel included, although it's crucial to note they ship separately, which might be a logistic consideration for buyers. Additionally, the number of outlets and charging options is extensive, supporting multiple devices and ensuring continuous operation during outages. The advanced features, including a quick switch-over time and remote monitoring through an app, make it user-friendly and reliable.

While it meets many key specs for a compact solar generator, the primary limitations include its heavyweight and the need for additional components to fully extend its battery capacity. It's particularly suitable for residential use, campers, or anyone needing a reliable backup during power disruptions, but may not be the best fit for those who prioritize portability above all else.

The EF ECOFLOW Solar Generator Delta 2 Max is a robust and powerful option in the compact-solar-generator category. With a substantial battery capacity of 2048Wh, it can store a significant amount of energy, making it suitable for camping, RV trips, or as a backup power source for homes. The power output is impressive, providing up to 2400W and even capable of handling high-wattage appliances up to 3400W with X-Boost mode. This means it can power almost all household devices, which is a major plus.

Solar panel compatibility is also a strong point, with the included 2x160W panels utilizing N-TYPE technology for high efficiency. The dual charging option, allowing for both AC and solar, ensures quick and versatile recharging, with the ability to reach 80% in just 43 minutes when combined, or 100% in 16 hours using solar panels alone. However, at 74.6 pounds, it is quite heavy, which affects its portability. This weight could be a drawback for those needing to frequently move the generator.

The generator is equipped with 15 diverse outlets, catering to various devices and needs, making it highly versatile. The LFP battery technology promises longevity, with 3000+ charge cycles before capacity drops to 80%, which is well above industry average, adding to its cost-efficiency and durability. Despite its strengths, potential buyers should be aware that the generator and solar panels are shipped separately, which might lead to some delivery inconsistencies. This product is well-suited for individuals needing a reliable and powerful portable energy source, especially for outdoor activities or as a home backup.