10 Best Ecoflow Solar Generators 2025 in the United States

The EF ECOFLOW Solar Generator DELTA Pro 3 is designed for both home use and outdoor activities like camping, providing a reliable power source with a substantial 4096Wh battery capacity. One of its standout features is the ability to power large appliances with its 4000W output, which can even scale up to 12000W when needed. This makes it ideal for those looking for backup power during emergencies or for extended outdoor trips.

Portability is another strong point; despite its weight of 150 pounds, its portable design and handle make it easier to transport. With various charging methods—including solar panels and AC outlets—you have flexibility in how you power it up, making it a versatile choice for different situations.

The DELTA Pro 3 also shines in user-friendliness with its plug-and-play setup, meaning you won’t need complex installations to enjoy its capabilities. The EcoFlow app allows for remote monitoring, which adds convenience. The 5-year warranty and solid customer service are reassuring, providing peace of mind regarding durability and support. This solar generator is a strong contender for anyone needing reliable power for homes, RVs, or during emergencies, but potential buyers should consider its weight and cost in relation to their specific needs.

The EF ECOFLOW DELTA Pro Ultra X is a powerful solar generator designed primarily for whole-home backup and extended outdoor use. With a massive battery capacity starting at 12,288Wh and expandable up to 180kWh, it can easily power essential household appliances like lights, air conditioning, and even electric vehicle chargers. Its high power output of up to 12,000 watts ensures it can handle heavy loads, making it suitable for blackout situations or off-grid living.

This generator intelligently manages energy by switching between solar, battery, and grid power automatically, which can help reduce electricity bills. It also supports adding DIY solar panels for clean, renewable charging—an important feature for users wanting to maximize solar input. The system responds instantly to power outages, keeping sensitive devices like medical equipment running without interruption.

Portability-wise, while it is not as light or compact as smaller generators, it’s still designed to be movable without professional installation. Weighing around 70 pounds and measuring roughly 27 by 19 by 9 inches, it’s manageable but not something you'd casually carry around. The unit includes multiple outlets suitable for various devices. The weight and size mean it's better suited for semi-permanent setups rather than frequent transport. Also, the inverter and extra batteries ship separately, which could add setup complexity. Its premium capabilities come with a higher price point, so it fits best for users needing serious backup power or off-grid energy solutions rather than casual camping.

The DELTA Pro Ultra X is a robust, scalable solar generator offering reliable, clean energy with smart features aimed at homeowners and outdoor power users who want flexibility and long runtime more than just simple portability.

The EcoFlow DELTA 2 Max is a powerful portable solar generator designed for camping, RV use, and home backup. Its 2048Wh LFP (LiFePO4) battery offers a long lifespan, with over 3000 full charge cycles, meaning you get more than 10 years of use—much longer than typical batteries. This makes it a smart long-term investment. It delivers up to 2400W continuously and can handle surges up to 3400W with X-Boost mode, so it can power almost any household device, including some high-wattage appliances. With 15 different outlets, you’ll have plenty of options to plug in your devices simultaneously.

Charging is very fast and flexible: using AC power alone, it can reach 80% charge in just over an hour, and with solar panels, it can be recharged fully in as little as 2.6 hours when using two 400W panels. The included 400W solar panel is both lightweight and weatherproof, making it easy to carry and durable for outdoor use. The EcoFlow app lets you customize charging settings and monitor battery status, adding convenience.

The unit itself weighs around 23 kilograms (about 50 pounds), which might be a bit heavy for some users to carry frequently. Also, while the panel is portable, adding a second 400W panel to speed up charging means extra bulk and cost. This generator suits those who need a reliable, fast-charging, and versatile solar power source for outdoor adventures or emergency home use, especially if battery longevity and a variety of outlet options are priorities.