8 Best Ecoflow Solar Generators 2025 in the United States

The EF ECOFLOW Solar Generator DELTA2 is a robust option for anyone looking for a portable, eco-friendly power source, ideal for camping, RVs, or home backup. One of its standout features is the impressive battery capacity of 1kWh, expandable up to 3kWh, allowing users to tailor their power needs. With a power output of 1800W, it can run a variety of appliances, making it suitable for most off-grid scenarios. The inclusion of a 220W bifacial solar panel is a significant plus, as it captures more sunlight, enhancing the generator's efficiency and reducing charging time.

Portability is another strength, as it weighs 58 pounds and is designed for easy transport. The multiple charging options, including AC, car, and solar, add convenience and flexibility for users in different settings.

However, there are some drawbacks. While the 15 outlets provide plenty of connectivity, the weight may still be cumbersome for some users, particularly those who need to carry it over long distances. Additionally, the initial investment might be higher than other portable power stations, which could be a consideration for budget-conscious buyers. Although the LFP battery is designed to last significantly longer than traditional batteries, it may still require careful management to maximize its lifespan.

The EF ECOFLOW Solar Generator DELTA 2 Max is a versatile power solution, particularly appealing for outdoor enthusiasts and those who need a reliable backup for household power. Its standout feature is the impressive battery capacity of 2048Wh, which ensures a long-lasting power supply for various devices. The power output of up to 3400W in X-Boost mode means it can handle most household appliances, making it extremely handy during power outages or for camping trips.

One of its key strengths is the fast charging capability, achieving 80% charge in just 43 minutes when using both AC and solar inputs. This is complemented by the efficient solar panel that can capture up to 28% more energy, making it a great choice for eco-conscious users who want to leverage solar power. The generator's use of LiFePO4 battery technology is another plus, providing a long lifespan with over 3000 full charge cycles, which is notably higher than the industry average. Furthermore, with 15 outlets, it offers significant versatility for connecting multiple devices simultaneously.

Portability is fairly good, although the main unit is on the heavier side at 71 pounds, which could be cumbersome for some users. However, the solar panel is lightweight and foldable, adding to its convenience. On the downside, the separate delivery of the generator and solar panel might be an inconvenience, as it could lead to staggered receiving times. Additionally, while powerful, the charging speed may not always be as rapid in less optimal solar conditions.

In conclusion, despite some logistical considerations, the EcoFlow DELTA 2 Max is a robust and efficient solution for anyone needing a reliable source of power both at home and in the great outdoors. Its numerous charging options, high capacity, and eco-friendly features make it a strong contender in the solar generator market.

The EF ECOFLOW Solar Generator 3.6KWh DELTA Pro is designed to be a robust home backup solution and an outdoor power source for camping or RV needs. One of its main strengths is the large 3600Wh battery capacity, which can handle high power outputs up to 4500W with the X-Boost technology. This makes it capable of powering most household appliances in an emergency. It also features five AC outlets and a total of 15 various ports, making it versatile for charging multiple devices simultaneously. The generator's smart app control adds convenience, allowing you to monitor and manage charging status and settings remotely via Wi-Fi or Bluetooth.

The included 400W solar panels are highly efficient with a 22.4% conversion rate and are both portable and durable, with an IP68 waterproof rating. However, the generator itself is quite heavy at 99 pounds, which may limit its portability for some users. Another potential drawback is the relatively long recharge time with a single solar panel, which is around 11 hours. For quicker charging, multiple panels are needed, which could be an added expense. Additionally, the generator and solar panels are shipped separately, which might require some coordination for setup.

The DELTA Pro is suited for those needing a powerful and versatile power source with good efficiency and multiple charging options, despite its weight and potential additional costs for faster solar charging.