EF ECOFLOW Solar Generator 120V/3.6KWh DELTA Pro with 400W Portable Solar Panel: A Detailed Review

5/1/20245 min read


If you're in the market for a powerful, versatile, and eco-friendly energy solution, the EF ECOFLOW Solar Generator DELTA Pro is a stellar choice. Use our link below to receive 33% off, to purchase this high-capacity solar generator and portable power station for $2,799, down from the list price of $4,199. This significant discount makes it an even more attractive option for those seeking reliable power for home backup, outdoor adventures, camping, RV trips, and emergency situations.

Overview and Key Features

The EF ECOFLOW Solar Generator DELTA Pro is designed to meet a variety of power needs with its impressive array of features. Here’s a detailed look at what makes this generator stand out:

Capacity: With a 3.6KWh (3600Wh) capacity, the DELTA Pro can power a wide range of devices and appliances. This makes it suitable for extended use during power outages, camping trips, or remote work sites.

Output: The generator offers 5 AC outlets, providing a total output of up to 3600W. This allows you to run multiple high-wattage appliances simultaneously, such as refrigerators, air conditioners, and power tools.

Solar Panel Efficiency: The included 400W portable solar panel boasts a high efficiency rate of 23%, ensuring you can quickly recharge the DELTA Pro using solar energy. This is particularly useful for off-grid living or reducing your reliance on traditional power sources.

Portability: Despite its high capacity, the DELTA Pro is designed to be portable. It features a durable handle and wheels, making it easy to transport from one location to another.

Detailed Product Specifications

1. Power and Capacity

The DELTA Pro is equipped with a 3600Wh lithium battery, providing ample power to keep your essential devices running. This capacity translates to approximately:

- 30 recharges of a smartphone

- 10 recharges of a laptop

- 3 hours of runtime for a full-sized refrigerator

- 2 hours of runtime for a 1500W microwave

2. Output Options

The generator offers a wide variety of output options to accommodate different devices and appliances:

5 AC Outlets: These outlets can collectively provide up to 3600W, making it possible to power multiple devices simultaneously.

2 USB-C Ports: These ports support fast charging for modern smartphones and laptops.

4 USB-A Ports: Ideal for charging smaller devices like tablets, e-readers, and cameras.

1 Car Port: This 12V port can be used to power car accessories or other 12V devices.

DC5521 Ports: Useful for powering devices that use DC input, such as certain types of lights and appliances.

3. Solar Panel Specifications

The included 400W portable solar panel is designed for efficiency and ease of use:

High Efficiency: With a 23% efficiency rate, the solar panel can quickly convert sunlight into usable energy.

Durability: Built to withstand harsh outdoor conditions, the panel is both waterproof and dustproof.

Portability: The foldable design and lightweight build make it easy to transport and set up wherever you need power.

Performance and User Experience

1. Ease of Use

Setting up the DELTA Pro is straightforward, even for those new to solar generators. The intuitive interface and clear instructions make it easy to start generating power right out of the box. The built-in LCD screen provides real-time information on battery status, input/output wattage, and remaining runtime, helping you manage your power usage efficiently.

2. Charging Options

The DELTA Pro offers multiple charging options to ensure you’re never without power:

Solar Charging: Using the included 400W solar panel, you can fully recharge the generator in about 8-16 hours, depending on sunlight conditions.

AC Charging: The generator can be charged via a standard wall outlet in approximately 2.7 hours.

Car Charging: On the go, you can charge the DELTA Pro using your vehicle’s 12V/24V port, with charging times varying based on the power output of your car.

3. Versatility

The DELTA Pro is incredibly versatile, suitable for a variety of scenarios:

Home Backup: In the event of a power outage, the DELTA Pro can keep your essential devices running, ensuring you stay connected and comfortable.

Outdoor Activities: Whether you’re camping, hiking, or enjoying a day at the beach, the generator provides reliable power for lights, fans, portable coolers, and more.

RV and Van Life: For those living the van life or traveling in an RV, the DELTA Pro offers a dependable source of power for all your appliances and gadgets.

Emergency Situations: In emergencies, having a reliable power source is crucial. The DELTA Pro ensures you have the power needed to stay safe and connected.

Accessories and Add-Ons

The DELTA Pro comes with several accessories to enhance its functionality:

400W Portable Solar Panel: As mentioned, this high-efficiency panel is included with the generator, providing an eco-friendly way to recharge the battery.

Car Charging Cable: This cable allows you to charge the generator using your vehicle’s 12V/24V port.

AC Charging Cable: For quick and convenient charging via a wall outlet.

DC5521 Cable: Useful for powering DC devices.

User Manual: Detailed instructions to help you get the most out of your generator.

Pros and Cons


High Capacity: With 3.6KWh, the DELTA Pro can power multiple devices and appliances for extended periods.

Versatile Output Options: The variety of ports and outlets ensures compatibility with a wide range of devices.

Efficient Solar Panel: The 400W panel with 23% efficiency allows for quick recharging using solar energy.

Portability: Despite its capacity, the generator is designed to be easily transportable.

User-Friendly Interface: The LCD screen and intuitive controls make it easy to monitor and manage power usage.


Weight: At around 99 lbs, the DELTA Pro is relatively heavy, which might be a concern for some users.

Price: Although currently on sale, the initial investment is still substantial. However, the long-term savings on energy costs can offset this.

Customer Reviews and Feedback

The EF ECOFLOW Solar Generator DELTA Pro has garnered positive reviews from users, praising its reliability, efficiency, and versatility. Here are some highlights from customer feedback:

Reliability: Many users have highlighted the DELTA Pro’s reliability during power outages, noting that it has kept essential devices running without any issues.

Efficiency: The high efficiency of the solar panel and the generator’s ability to quickly recharge have been particularly appreciated by those living off-grid or using the generator for outdoor activities.

Ease of Use: Customers have found the setup process and interface user-friendly, making it accessible even for those new to solar generators.

Portability: Despite its weight, the inclusion of wheels and a handle has made it easy for users to move the generator as needed.


The EF ECOFLOW Solar Generator DELTA Pro with the 400W portable solar panel is an excellent investment for anyone in need of a powerful, reliable, and eco-friendly power solution. Its high capacity, versatile output options, and efficient solar charging make it suitable for a wide range of applications, from home backup to outdoor adventures. The current 33% discount further enhances its value, making now an ideal time to purchase.

Whether you're preparing for emergencies, embarking on a camping trip, or looking to reduce your reliance on traditional power sources, the DELTA Pro delivers dependable performance and convenience. With its user-friendly design and robust capabilities, it's a product that will serve you well in various scenarios.

Don't miss out on this opportunity to secure a top-tier solar generator at a reduced price. Click the link below to learn more and make your purchase today with 33% off.

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