10 Best Small Solar Generators 2025 in the United States

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 BLUETTI AC180 Solar Generator is designed to meet the needs of outdoor enthusiasts, campers, and anyone looking for reliable emergency power. With a solid battery capacity of 1152Wh and an output of 1800W (with a surge capacity of 2700W), it can handle various devices, making it versatile for different power needs. The inclusion of a 200W solar panel allows for efficient solar charging, fully replenishing the battery in approximately 4.8 to 9.6 hours, which is reasonable for off-grid situations. One standout feature is its 1440W flash charge capability, enabling rapid recharging without the need for bulky adapters. This is particularly beneficial when you need quick access to energy.

Portability is another strong suit, weighing in at 37.4 pounds, which is manageable for outdoor activities. It also offers multiple charging options, including AC, solar, and car charging, providing flexibility in how you can power the unit. The rugged build quality ensures durability, making it suitable for outdoor use.

However, there are a few drawbacks to consider. Although the power output is impressive, the runtime can be limited, with some devices only being powered for around 38 minutes, depending on their power consumption. Additionally, the solar panel ships separately, which might inconvenience some users who expect a complete package. While 11 outlets are available, the reliance on the BLUETTI app to boost power may not appeal to everyone, especially those who prefer straightforward operations.

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.