10 Best Small Solar Generators 2026 in the United States

The EF ECOFLOW DELTA Pro 3 is a robust solar generator standing out in the small-solar-generators category. Its formidable 4096Wh LFP battery offers substantial energy storage, making it a strong choice for home backup during emergencies or for powering essential appliances, like central AC systems or water pumps, for up to 2-4 days. The generator's 4000W power output, expandable up to 12000W with additional units, supports a wide range of devices, while the X-Boost feature ensures even power-hungry appliances can be energized.

The product excels in solar panel compatibility, including two 400W portable panels, allowing efficient harnessing of solar energy. Its impressive range of seven unique and 18 combo charging options, including AC wall outlets and EV charging piles, provide versatility in how it can be powered, reducing reliance on fossil fuels. While portability is emphasized with a handle design, the generator's weight at 115 pounds may limit mobility, especially for solo travelers or camping trips. However, its silent operation, thanks to X-Quiet technology, is a significant advantage for both indoor and outdoor use, ensuring noise is minimal.

Build quality is robust, with IP65-rated CTC battery pack technology and automotive-grade LFP cells enhancing durability and lifespan. The 5-year warranty and strong customer support further enhance reliability, offering peace of mind to users. One area that might be a concern is the generator's size, which may not suit every space, especially in smaller homes or RV setups. Additionally, while the app-controlled system provides convenient monitoring, those less tech-savvy might find the setup initially confusing. This solar generator is ideal for individuals seeking a powerful, reliable source of renewable energy for home use or extended outdoor activities, though potential users should consider its weight and size before purchasing.

The EF ECOFLOW Solar Generator DELTA2 is a solid choice for those seeking a portable power solution for camping, RVs, or home backup. It features an impressive battery capacity of 1kWh, which can be expanded up to 3kWh, making it versatile for various needs. The generator offers a powerful output of 1800W, allowing users to run a wide range of appliances, which is particularly beneficial for outdoor activities or emergency situations.

One of the standout features is its 220W bifacial solar panel, which is designed to capture more energy, enhancing charging efficiency during sunny days. This solar generator is built with LFP battery technology, promising a longevity of over 3000 cycles, and its robust battery management system ensures safety during use.

The design prioritizes portability, weighing 58 pounds, which makes it manageable for transport. With 15 outlets available, it accommodates multiple device connections simultaneously, which is a major plus for group outings or extensive power needs. The DELTA2 is a robust and durable option for those who need reliable power in outdoor situations or as a backup at home, with its high output and expandable capacity being key strengths. Potential buyers should weigh the portability aspect and cost against their specific needs.

The EF ECOFLOW Solar Generator DELTA 2 Max 2048Wh is a solid choice for those needing a reliable portable power source, especially for camping or RV use. With a 2048Wh battery capacity, it offers ample power storage. The power station can handle up to 2400W output, with a peak of 3400W in X-Boost mode, making it capable of running many household appliances and high-wattage devices. This versatility is supported by 15 outlets, accommodating a wide range of devices.

The included 2x220W solar panels are efficient, capturing up to 28% more solar energy with dual-sided panels, and can fully charge the unit in about 5.8 hours using both panels. This fast charging option is enhanced by the ability to combine solar and AC charging, reaching 80% capacity in just 43 minutes. The generator features a long-lasting LFP battery with up to 3000 cycles, ensuring more than 10 years of use. Portability is a highlight, as the solar panels are lightweight and foldable, and the overall build is durable with an IP68 rating for water and dust resistance.

However, the unit is somewhat heavy at 92 pounds, which may make transport challenging without assistance. Additionally, it ships in separate packages, which could cause delays in setup. This generator is best for those who need a high-capacity, efficient, and versatile portable power solution for outdoor activities or backup power at home.