10 Best Ecoflow Solar Generators 2025 in the United States

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 3 Classic is a solid choice for those needing reliable portable power, whether for home backup, camping, or RV use. With a 1024Wh lithium iron phosphate (LiFePO4) battery, it offers long-lasting durability and a lifespan that can exceed 10 years with daily use. Its 1800W continuous output (with a surge capacity of 3600W via X-Boost technology) can handle common household appliances like refrigerators and microwaves, plus various electronics.

The unit features ultra-fast charging, reaching 80% battery in about 45 minutes through AC power, and can recharge fully via solar panels in roughly 2.5 hours when paired with a 500W panel (sold separately). This makes it convenient for users who want clean, renewable energy on the go. Portability is reasonable at about 27 pounds, and the compact size allows for relatively easy transport to outdoor activities. The DELTA 3 Classic includes 15 outlets, including AC, USB-C (100W output), and other USB ports, covering a broad range of devices.

Smart app control adds user-friendly monitoring and customization, which helps maximize battery use and manage power efficiently. One potential drawback is the solar panel is not included, so additional investment is needed for full solar capability. Also, while the weight is manageable, it might still be a bit heavy for some users to carry frequently. The EcoFlow DELTA 3 Classic balances high power output, fast recharging, and durable battery technology, making it well-suited for anyone looking for a versatile, robust solar generator, especially for camping, home backup, or RV travel.

The EF ECOFLOW Power Station DELTA Pro Ultra is a powerful solar generator designed mainly for home backup and outdoor use such as camping or RV trips. Its standout feature is the large 6144Wh battery capacity, which can be expanded up to a massive 90kWh by adding more batteries. This capability allows it to provide essential power for days or even weeks during outages. It offers a very strong power output of 7200W (with a peak of 8640W), enough to run heavy appliances including central air conditioners, making it suitable for whole-house backup. The unit supports both 120V and 240V outputs and has 6 outlets, covering various device types.

Charging is flexible and fast — it can recharge fully in about 2 hours using solar panels, wall outlets, EV chargers, or generators. The included 2x400W foldable solar panels are lightweight (16kg each), portable, and waterproof, making them convenient for outdoor use. On the downside, the main power station itself is quite heavy at 218 pounds, so while the solar panels are portable, moving the full system frequently could be challenging. Also, the inverter, battery, and panels ship separately, which might require some setup effort.

This high-capacity, versatile solar generator is ideal for users who need reliable, scalable home backup power and don’t mind a heavier system. It excels in power and charging options but is less suited for those seeking a lightweight, ultra-portable solution.