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 EF ECOFLOW DELTA Pro Ultra is a powerful solar backup generator designed primarily for home use, emergency situations, and large outdoor setups like RVs or camping. Its standout feature is a large 6144Wh battery capacity, which can be expanded significantly up to 90kWh by linking multiple units—enough to keep essential home devices running for days or even weeks. With a strong 7200W continuous power output and the ability to triple that for very heavy-duty appliances, it easily supports things like central air conditioners and other large household equipment. The inverter supports both 120V and 240V, offering flexibility depending on your power needs.

Charging options are versatile and convenient: you can recharge the battery via solar panels, wall outlets, electric vehicle chargers, or even traditional generators. Notably, it charges very quickly—within 2 hours for a full charge—which is faster than many similar products. The built-in app lets you prioritize home circuits, helping to extend backup time and manage energy use smartly, which also helps reduce electricity bills when combined with solar input. The unit is designed with durability and quiet operation in mind, including a 0-ms transfer time to protect sensitive electronics during outages and a silent mode for low loads.

The product is quite heavy at nearly 183 pounds, which may limit portability despite its intended home and recreational uses. Also, it arrives in separate packages, so setup might take some time. This generator suits users looking for a robust, expandable, and smart home backup power solution who don't mind the weight and complexity involved.

The Jackery Solar Generator 1000 v2 is designed to be a powerful yet highly portable solution for those needing reliable power in various settings, like outdoor adventures or emergency situations. With a robust 1,500W AC output and a 3,000W surge peak, it’s capable of running multiple devices simultaneously, including demanding appliances like fridges and electric pots. Its battery capacity of 1,070Wh is substantial, providing ample power for extended periods.

Weighing just 23.8 lbs and featuring a foldable handle, it's easy to transport, making it ideal for outdoor enthusiasts or those living off-grid. The 200W solar panel compatibility ensures that you can recharge it sustainably, adding to its versatility for off-grid use. The inclusion of various charging options, including fast USB-C and multiple AC ports, means you can power a wide range of devices. The one-hour fast charging feature is particularly impressive, though it requires enabling the emergency charging function in the app each time.

Durability is a strong point with its LFP battery, designed to last over 10 years with a high cycle life. However, the need to use the Jackery App for certain features might be a drawback for those not keen on relying on apps for device management. Additionally, the separate shipping of the generator and solar panel could be a minor inconvenience. The Jackery Solar Generator 1000 v2 stands out for its powerful performance, portability, and durability, making it a solid choice for users needing a reliable and versatile power source.