10 Best Solar Backup Generators 2026 in the United States

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.

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 HomePower 3600 Plus is a strong option if you're looking for a reliable home backup solar generator. It offers a sizable battery capacity of 3584Wh, which can be expanded up to 21kWh with additional units—enough to power a small household for over two weeks, making it suitable for emergencies or RV trips. Its 3600W power output (7200W in parallel) means it can handle heavy appliances like pumps and dryers, providing versatile use at home. The device supports multiple charging methods, including AC, solar panels, DC, and even a gas generator, with fast recharge times—solar charging is reasonably quick at about 4 hours. This flexibility ensures you won’t be left powerless for long.

It features an advanced lithium iron phosphate (LFP) battery, known for safety and longevity, with impressive thermal resistance and up to 6,000 cycles, meaning it should last many years even in extreme conditions. Portability is thoughtfully addressed with a telescoping handle and wheels, plus it is lighter and smaller than many competitors, although at 77 pounds it’s still relatively heavy for some users. The inverter supports dual voltage (120V and 240V), useful for a wide range of appliances, enhancing its practicality as a home backup.

On the downside, while the unit is easier to set up than many, the weight could be a challenge if frequent transport is needed. Also, solar panels are sold separately, so that adds to initial costs. This generator is particularly well suited for homeowners or RV users who want a robust, expandable, and safe power solution with good charging options and portability balanced with solid build quality.