10 Best Solar Backup Generators 2025 in the United States

The EF ECOFLOW Solar Generator DELTA Pro features a robust 3600Wh battery capacity, making it a substantial choice for home backup, camping, RVs, and emergencies. Its power output reaches up to 3600W with the ability to boost up to 4500W, ensuring that it can handle a range of household appliances and electronic devices. The generator includes 15 versatile outlets, including 5 AC outlets and multiple USB ports, which can cater to various charging needs simultaneously.

The inclusion of a 400W portable solar panel is a significant advantage, providing efficient solar charging even under less than ideal weather conditions. The panel's 22.4% conversion rate is quite efficient in the solar panel market. With single or multiple panel setups, recharging times range from 3.5 to 11 hours depending on the configuration used, offering flexibility in charging options.

Portability is somewhat balanced, with the solar panel being foldable and easy to carry at 35.3 lbs, while the main unit weighs 99 lbs, which might be cumbersome for some users to move around frequently. The build quality is notable with an IP68 waterproof rating, ensuring durability in various environments. However, the generator and solar panel are shipped separately, which could be inconvenient if timing is critical. The smart app control feature adds modern convenience, allowing users to monitor and control the generator remotely via Wi-Fi or Bluetooth. This solar generator is an excellent choice for those needing reliable and versatile backup power, although the weight of the main unit could be a consideration for portability.

The Jackery Solar Generator 2000 v2 is a reliable option for solar-backup needs with its impressive 2042Wh battery capacity and 2200W power output. It includes two 200W solar panels, making it highly compatible with solar energy. This generator is designed for various applications including home backup, camping, and emergencies, and has three AC ports for versatile power needs.

With a weight of 39.5 lbs, it is notably lighter and smaller than many similar capacity generators, enhancing portability. The charging options are flexible, including fast AC charging to 80% in just 66 minutes, a full charge in 102 minutes via an emergency super mode, and solar charging in about 6 hours. The Silent Charging mode ensures minimal disturbance at 30dB noise level. Its LiFePo4 battery promises long-lasting durability, up to 10 years, and features advanced temperature control for safety.

Additionally, the generator offers a 20ms uninterrupted power switch for seamless operation during outages, which is particularly beneficial for critical applications. However, it may be less portable for some users considering its total weight with components. The item can be shipped separately, requiring cautious handling when ordering. With specialized features like fast USB-C PD 100W charging, it is a strong candidate for anyone needing reliable, clean, and efficient backup power solutions.

The Jackery Solar Generator 5000 Plus is a powerful and versatile solar-backup generator, perfect for home use and emergency situations. One of its standout features is its impressive battery capacity, offering 5040Wh, which is expandable up to 60kWh. This means it can power a whole home for over a day on a single charge, and potentially up to 15 days with maximum expansion.

The generator's power output is equally robust, with a 7200W AC output, making it capable of running heavy-duty equipment such as dryers, water pumps, and ovens, as well as everyday devices. It is equipped with dual voltage outputs (120V/240V), enhancing its versatility for various applications, including recharging RVs during travel. The inclusion of two 500W solar panels ensures it is highly compatible with solar energy, offering a clean and quiet alternative to traditional diesel generators.

The generator has a 0ms UPS mode that instantly switches to stored power during blackouts, ensuring critical devices remain operational without interruption. Moreover, the smart app control feature allows real-time monitoring and control via WiFi or Bluetooth, which is convenient for modern users. Despite its high capacity and output, the generator remains relatively quiet, operating at under 30dB. However, its large capacity and power output make it less portable compared to smaller models, and its weight is likely on the heavier side. Additionally, the price point may be a considerable investment for some users. Its high durability, expansive capacity options, and eco-friendly operation make it a strong candidate for those needing a reliable and powerful home backup solution or emergency power source.