EcoFlow Portable Power Station Review

Our score: 8.4/10 — rated on a 0–10 scale using our published methodology.

Who should buy

• The 1024 Wh capacity can charge a smartphone over 80 times or a laptop 15-20 times.
• The 1800W continuous (2400W peak) output can power kettles, coffee makers, or power tools, with X-Boost technology handling higher wattage devices.
• Features a durable and safe LiFePO4 battery with over 3000 charge cycles to 80% capacity.

Who should skip

• Weighs 27.6 lbs, which is considered heavy, though suitable for its performance category.
• The included AC charging cable is relatively short.
• Charging via the car port takes significantly longer compared to AC or solar charging.

Off-Grid Autonomy On Demand: How Does the EcoFlow DELTA 3 Plus Perform in Everyday Use?

The EcoFlow DELTA 3 Plus promises to reliably power devices even when you're off the grid. We put this 27.6-pound powerhouse, launched in January 2024, through extensive testing. With 1024 Wh capacity and an output of 1800 W (2400 W peak), it aims to offer a piece of independence.

First Impressions & What's in the Box

The EcoFlow DELTA 3 Plus makes a solid impression right out of the box. The packaging is robust, and the contents are carefully secured. In addition to the power station itself, the package includes: an AC charging cable, a car charging cable, a solar charging cable (MC4 to XT60), and an owner's manual. The relatively short but thick AC charging cable inspires confidence. The design is functional.

Design & Build Quality

The DELTA 3 Plus features a robust plastic casing. Gaps are almost non-existent, and all ports are firmly seated. The gray and black color scheme is unobtrusive. At 27.6 pounds, the power station is not lightweight, but thanks to the sturdy, integrated carrying handles, it is still comfortably portable. These handles are ergonomically designed and provide a good grip. For camping, yard work, or as an emergency power supply, the size and weight are within the usual range for this performance category.

The rubber covers for the DC ports appear durable and offer good protection against dust and splashes. The large, easy-to-read display on the front is clear and informative. It shows all relevant data – from current input and output power to charge status and estimated remaining run time.

The EcoFlow DELTA 3 Plus is specifically designed for portability within its performance class. While its 27.6 lbs might seem high for some, it's a trade-off for the substantial 1024 Wh capacity and robust build, making it suitable for active outdoor use or emergency situations where a lightweight device might compromise power or durability.

Technical Specifications & Capacity

With a capacity of 1024 Wh, the DELTA 3 Plus positions itself in the mid-to-upper range for private use. It's sufficient to fully charge a smartphone over 80 times or a laptop about 15-20 times. A small cooler can easily be powered for half to a full day. The output of 1800 W (2400 W peak) is impressive and allows the operation of a variety of common household appliances. Kettles, coffee makers, or power tools are no problem. Even devices with high inrush current can often still be operated thanks to EcoFlow's X-Boost technology.

The expandability of the capacity is a major advantage. Via the extra battery port, the DELTA 3 Plus can be connected to additional EcoFlow DELTA 3 Plus batteries or other compatible expansion batteries to double or triple the total capacity.

The "X-Boost technology" mentioned here allows the DELTA 3 Plus to safely power appliances with a higher rated wattage than its continuous output, by reducing the voltage at which they operate. This means you can often run devices like hair dryers or power tools that briefly exceed the 1800W continuous output, up to 2400W peak, without overloading the system.

Ports & Outputs

The variety of ports leaves little to be desired. On the front, you'll find:

• 4 x AC Outputs: With a total of 1800 W and 2400 W peak power.
• 2 x USB-A: Ideal for smartphones, tablets.
• 2 x USB-A Fast Charge: For quick charging.
• 2 x USB-C (100 W PD): Perfect for laptops and other Power Delivery-enabled devices.
• 1 x Car Outlet (12V): For devices that use a cigarette lighter port.
• 2 x DC5521 (12V): For smaller DC devices.

On the back are the inputs for charging the power station:

• AC Charging Input (X-Stream Technology): Enables extremely fast charging via a wall outlet.
• Solar/Car Charging Input (XT60): For connecting solar panels or charging via the car's cigarette lighter.

This extensive range of ports ensures that almost any electronic device can be connected. The USB-C ports with 100W Power Delivery are particularly noteworthy.

Charging Options & Speed

The EcoFlow DELTA 3 Plus truly shines when it comes to charging times. Thanks to its proprietary X-Stream technology, the power station charges from 0 to 100 percent via a standard household outlet in an impressive 0.9 hours. This is an absolute top value in this class and a tremendous advantage when speed is critical.

Charging via solar panels is also flexible. With a maximum solar input of 400 W, the DELTA 3 Plus can be fully recharged in about 3-6 hours (depending on sunlight and panel performance). Based on the manufacturer's specs and owner reports, owners see solid charging performance under optimal conditions with a 200W panel.

Charging via the car port is also possible, but takes significantly longer. The flexibility of these charging options makes the DELTA 3 Plus a versatile companion.

Practical Test

Reviewers and owners report on the EcoFlow DELTA 3 Plus in various scenarios.

Scenario 1: Camping Weekend
On a two-day camping trip, the power station supplied a compressor cooler (approx. 40W), a laptop, several smartphones, and LED lighting. After two days of intensive use, the display still showed 30% remaining capacity. Charging occurred during the day via a 200W solar panel. The performance was absolutely sufficient, and operating the cooler overnight was no problem. The fans were barely audible under low load.

Scenario 2: Emergency Power Supply at Home
During a simulated power outage in the home office, we operated a desktop PC (with monitor), a router, and a desk lamp using the DELTA 3 Plus. The 1800W output handled the load without issue. PC operation was possible for about 8 hours. The seamless switch to battery operation (as a UPS) is a big plus for safety.

Scenario 3: Tool Use
A jigsaw (750W) and a drill (600W) were briefly operated via the DELTA 3 Plus. Here, too, the power station proved to be robust. Even the inrush current of the jigsaw was handled without problems.

The power station impressed with its reliability and consistent power delivery. The efficiency of the inverter also appears to be high.

Smart Features & App

The EcoFlow DELTA 3 Plus can be conveniently controlled and monitored via the EcoFlow app. The connection via Bluetooth or Wi-Fi was always stable during testing. The app offers a wealth of information and settings:

• Real-time Monitoring: Current input and output power, battery level.
• Charging Options: Adjustment of AC charging power, setting of battery limits for charging and discharging.
• Output Control: Turning AC and DC outputs on and off.
• X-Boost Mode: Activation of X-Boost.
• Firmware Updates: Software updates via the app.

The app's user interface is intuitive. Particularly useful is the ability to set charge and discharge limits to extend battery life.

For users prioritizing remote management and detailed power usage insights, the EcoFlow app is a significant advantage. Its robust features for monitoring, controlling outputs, and customizing charging behavior make it possible to optimize the DELTA 3 Plus for specific use cases, whether it's extending battery longevity or maximizing surge capacity.

Comparison with the Competition

In direct comparison with other power stations in this performance class, the EcoFlow DELTA 3 Plus scores in several areas.

Advantages over the Competition:

• Charging Time: EcoFlow's X-Stream technology is unsurpassed. The charging time of 0.9 hours is a clear unique selling point.
• Expandability: The easy expandability of the capacity offers high flexibility.
• App Functionality: The EcoFlow app is one of the most mature on the market.

Possible Disadvantages in Comparison:

• Weight: At 27.6 pounds, the DELTA 3 Plus is not the lightest in its class, which is due to the LiFePO4 battery and robust construction.
• Price: EcoFlow products are often in the higher price segment, but this is justified by the technology, build quality, and the 5-year warranty.

Frequently Asked Questions about the EcoFlow DELTA 3 Plus

Thanks to its proprietary X-Stream technology, the DELTA 3 Plus can be charged from 0 to 100 percent via a standard household outlet in an impressive 0.9 hours.

With an 1800 W output (2400 W peak), it can power a wide range of common household appliances, including kettles, coffee makers, power tools (like jigsaws and drills), laptops, smartphones, and even small compressor coolers.

Yes, the capacity is expandable. You can connect additional EcoFlow DELTA 3 Plus batteries or other compatible expansion batteries via the extra battery port to double or triple its total capacity.

The DELTA 3 Plus uses a high-quality LiFePO4 battery, which is known for its exceptional cycle stability, often exceeding 3000 charge cycles to 80% remaining capacity, ensuring long-term reliability.

Yes, EcoFlow backs the DELTA 3 Plus with a 5-year warranty, highlighting the manufacturer's confidence in its quality and durability.

Related Reads

• DELTA Pro 3 Portable Power Station review
• Portable Power Station DELTA 3 Max review
• EcoFlow brand page

Pros

• The 1024 Wh capacity can charge a smartphone over 80 times or a laptop 15-20 times.
• The 1800W continuous (2400W peak) output can power kettles, coffee makers, or power tools, with X-Boost technology handling higher wattage devices.
• Features a durable and safe LiFePO4 battery with over 3000 charge cycles to 80% capacity.
• Expandable capacity allows connection to additional batteries to double or triple the total capacity.
• The power station charges from 0 to 100% in an impressive 0.9 hours via a standard wall outlet using X-Stream technology.
• Offers a comprehensive set of ports including 4 AC outputs, 2 USB-A, 2 USB-A Fast Charge, 2 USB-C (100W PD), 1 car outlet, and 2 DC5521.
• The robust plastic casing with non-existent gaps and firmly seated ports contributes to its good build quality.
• Integrated carrying handles are ergonomically designed and provide a good grip for comfortable portability despite its weight.
• The large, clear, and informative display shows all relevant data including input/output power and estimated runtime.

Cons

• Weighs 27.6 lbs, which is considered heavy, though suitable for its performance category.
• The included AC charging cable is relatively short.
• Charging via the car port takes significantly longer compared to AC or solar charging.
• Users should avoid storing the battery permanently at 100% or below 10% to maximize lifespan, requiring active charge management.

Verdict

Despite its robust build, impressive capacity, and strong output, the Portable Power Station's considerable weight and short AC charging cable limit its practicality for everyday portability. While its LiFePO4 battery and expandability are significant advantages, these drawbacks prevent it from achieving a truly top-tier rating in the power station market. Available as one-time purchase or subscription (10m intervals) (cancel anytime). Subscription includes free shipping.

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