EcoFlow has made a mark in the world of portable power with its commitment to innovative solutions. As a brand, it has consistently focused on providing reliable and efficient power options for various needs. The EcoFlow Delta 2 is a testament to this commitment, offering a versatile, eco-friendly power station designed for ease and convenience in any setting.
We got our hands on the Delta 2 to see how it measures up in terms of performance and functionality. This portable power station stands out for its impressive battery capacity and rapid recharging capabilities, making it a top choice for those who need dependable power on the go. Whether it’s for camping trips, emergency home backups, or powering up tools at a mobile workshop, the Delta 2 provides a seamless experience.
In this review, we'll take a closer look of it's features! Join us as we explore how well it performs, and discover whether the Delta 2 Max truly lives up to the hype for all your power needs—indoors, outdoors, and everything in between!
Key Takeaways
- Versatile Power Solution: Provides 1800W output and 2700W surge capacity, ideal for home backup, outdoor use, and job sites.
- Expandable Capacity: Modular design allows you to connect extra batteries, increasing storage for extended energy needs.
- Durable and Long-Lasting: LiFePO4 battery offers up to 3,000 charge cycles, ensuring years of reliable performance.
- Fast and Efficient Charging: Recharges in just over an hour via AC and supports dual charging with solar panels.
- Smart Features and App Control: Manage energy use and monitor performance remotely with the EcoFlow app for seamless power control.
Table Of Contents:
(Click to jump to the section)
1. What Is EcoFlow Delta 2 and Who Is It For?
2. EcoFlow Delta 2 - In-Depth Review
3. Real-World Performance of the EcoFlow Delta 2
4. When To Use Delta 2 Portable Power Station?
5. Conclusion: Is the EcoFlow Delta 2 Worth It?
What Is EcoFlow Delta 2 and Who Is It For?
The EcoFlow DELTA 2 isn’t just another portable battery—it’s a complete power solution designed for those seeking reliable home backup or portable energy on the go. With a compact and easy-to-carry design, this power station delivers stored energy wherever you need it, whether for emergency situations at home, off-grid adventures in an RV or tent, or simply when you're out and about.
Perfect for beginners stepping into the off-grid lifestyle or anyone who wants a dependable backup without taking up much storage space, the DELTA 2 offers impressive power despite its small size. It’s capable of running high-energy appliances like HVAC systems, refrigerators, and water pumps, while also powering everyday devices like phones, laptops, and televisions.
What makes the DELTA 2 truly stand out is its ability to quietly operate 90% of major appliances, while simultaneously charging or running up to 13 devices. This versatile, compact generator is ideal for anyone who needs a reliable and efficient energy solution, whether at home or on the move.
Pros:
- Expandable storage capacity: The DELTA 2 can grow with your needs by adding extra batteries, making it a flexible power solution over time.
- Powers 90% of household appliances: Despite its compact size, it can handle everything from refrigerators to computers, making it highly versatile.
- Simultaneous charging: Capable of charging or powering up to 13 devices at once, perfect for various situations and needs.
- Solar compatibility: Offers clean energy options for eco-conscious users, enabling efficient solar charging on the go.
- Compact design: Ideal for road trips or camping, easily fitting into tight spaces while providing substantial power.
- User-friendly app control: Seamlessly monitor and manage power through the app, even from a distance.
Cons:
- Limited energy for long outages: Even with expandable storage, it holds up to 3kWh of energy, which may not be sufficient for extended power outages.
- Battery lifespan: With around 3000 cycles to 80% capacity, heavy users might find the battery lifespan shorter than desired, requiring more frequent replacements.
- Bulky for backpacking: Though portable, its size may be too large for those seeking a lightweight solution for backpacking adventures.
- Not ideal for prolonged high power output: For extended home blackouts or scenarios requiring long-term energy, the DELTA 2 may not provide enough power on its own. It's better suited for short-term or moderate use.
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EcoFlow Delta 2 - In-Depth Review
The EcoFlow Delta 2 is a powerhouse with advanced features, including flexible expansion options, robust power output, and eco-friendly technology. Its design and usability make it a top choice for varied needs like home backup and outdoor adventures.
EcoFlow Delta 2: Design, Ports and Build Quality
The EcoFlow Delta 2 is designed with durability and ease of use in mind, featuring sturdy, reinforced handles on both sides for easy transport. With the AC and solar charging ports thoughtfully moved to the back, accessibility is improved. The use of common XT60 connectors ensures compatibility with many aftermarket solar panels, though sticking with EcoFlow’s solar panels is recommended for peak efficiency.
At the front, the Delta 2 offers a range of ports to accommodate various devices. You’ll find four USB-A and two USB-C ports, with the USB-C ports supporting Power Delivery up to 100 watts—ideal for charging laptops and other high-powered gadgets.
On the back, you’ll find 6 AC outlets that can support up to 1,800 watts, with a surge capacity of 2,700 watts for more power-hungry appliances. The X-Boost mode pushes output to 2,200 watts for devices that can tolerate a lower voltage, offering flexibility for specific needs.
Compact and easy to manage, the Delta 2 measures 400 × 211 × 281mm (15.7 × 8.3 × 11.1 inches) and weighs just 12kg (27lbs), making it a convenient option for road trips or outdoor adventures. Its molded handles provide a sturdy grip, which adds to its portability. Ventilation is provided by two fan vents, and there’s an expansion port on the side for additional batteries, neatly sealed with a rubber plug.
A bright LED display on the front gives you real-time data on battery status, power input, and output, as well as alerts. This makes it easy to track power consumption and ensure you’re not caught off guard by low battery levels. Below the display, the Delta 2 houses six USB outlets for charging a variety of devices, including fast-charge USB-A and 100W USB-C ports.
Charging options are versatile, with inputs for AC power, solar panels, and car outlets neatly arranged at the back. You also get additional outlets, including:
- 4 x AC outlets (1,800W total / 2,700W surge)
- 1 x 12.6V car power outlet (10A, 126W Max)
- 2 x DC5521 outlets (12.6V, 3A, 38W Max)
Each circuit—USB, AC, and 12V—has its own power button, letting you control which outlets are in use, helping you manage battery life more effectively.
Overall, the Delta 2 is solidly built and performs exceptionally well, making it a reliable option for those in need of portable power for both short-term use and outdoor activities.
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EcoFlow Delta 2: Modular Expansion
For those seeking more power, the EcoFlow Delta 2 offers the flexibility of modular expansion. This feature allows you to connect additional batteries, significantly increasing the power capacity to suit higher energy demands. It’s a great option for anyone needing extended backup during long outages or for continuous power during outdoor activities. This capability makes the Delta 2 not only versatile but also a future-proof investment, allowing it to grow with your energy needs over time.
One of the standout upgrades from the previous model is the new Extra Battery Port located on the right side. This port enables you to connect the Delta 2 Extra Battery, adding an extra 1,024Wh of capacity—essentially doubling the power without the need for a larger power station. For even greater needs, you can attach the Delta Max Extra Battery, which pushes the total capacity to a massive 3kWh, providing a significant boost for those who need longer-lasting energy.
What we particularly like about this modular design is how it distributes the weight. Instead of having to carry one heavy unit, you can transport the batteries separately, which makes it much easier for travel or storage. Plus, with the EcoFlow Trolley, moving the Delta 2 and its extra batteries becomes even more convenient, allowing you to stack them securely and roll them wherever you need power.
Also, EcoFlow offers a “smart” gas-powered inverter generator that connects to the same expansion port, adding yet another layer of versatility.
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EcoFlow Delta 2: Power Output & Capacity
The Delta 2 delivers solid performance with a maximum output of 1,800 watts, making it more than capable of handling most household appliances and emergency power needs. However, under heavy loads—like an 800-watt space heater—you can expect a slight drop in its effective capacity, down to about 71% of its 1,024Wh rating. This reduction is fairly typical for power stations due to inverter inefficiencies and the demands placed on the battery at higher wattages. Despite this, it still holds up well for most day-to-day and emergency power requirements.
Keep in mind that even though the Delta 2 can power up to 13 devices at once, the total draw must remain under the 1,800W peak inverter output. One of the standout features is its 2,700W surge capacity, which allows the Delta 2 to handle brief spikes in power when starting up devices that temporarily require more than 1,800 watts. This is particularly useful for appliances with high startup demands, ensuring they power on without issue.
Another handy feature is EcoFlow’s X-Boost technology. This function enables the Delta 2 to run devices rated up to 2,400 watts, but at a lower voltage. It’s a great option for running larger appliances, though we recommend using it sparingly—some devices may be sensitive to lower voltage and could experience issues.
So, what does this mean in practical terms? The Delta 2 can easily power tools like an electric chainsaw or miter saw, but it may not provide enough juice to run a job site table saw at full capacity. To avoid any mishaps, it’s essential to calculate the wattage requirements of your tools by multiplying voltage by amps if the wattage isn’t clearly labeled. Fortunately, the Delta 2 is equipped with safety features to prevent battery damage, so if your tool feels underpowered, it's likely because the power demand exceeds what the Delta 2 can safely provide.
EcoFlow Delta 2: LiFePO4 Battery Technology & Charging Options
The EcoFlow Delta 2 stands out with its use of lithium iron phosphate (LiFePO4) batteries, offering over 3,000 recharge cycles and a more eco-friendly design. While these batteries are sensitive to extreme cold, built-in protections ensure the unit operates safely in various conditions.
Charging is a major highlight. The Delta 2 can recharge from zero to full in just over an hour using AC power, thanks to its 1,200W fast charge rate. It also supports dual charging from AC and solar for even faster results. The charging curve slows down after 80% to preserve battery life, which is standard for most high-quality devices.
Additionally, the Delta 2 offers versatile charging options, including car charging through its XT60 port, with a cigarette lighter and two barrel ports for added flexibility. However, some devices may need more voltage than the Delta 2’s DC output can provide.
EcoFlow Delta 2: Smart Features & App Integration
The Delta 2 incorporates smart technology to enhance the user experience. With its dedicated app, you can monitor energy usage, adjust output settings, and even control charging rates right from your smartphone. This level of connectivity allows you to optimize performance based on your current power needs, making the Delta 2 not only more user-friendly but also highly accessible. Whether you're at home or outdoors, the app keeps you informed and in control.
Unlike the Delta power station, the Delta 2 now supports both Android and iOS devices and can connect to your Wi-Fi network for remote monitoring. If Wi-Fi isn’t available, Wi-Fi Direct lets you connect your phone or tablet directly to the unit. While this works smoothly, a Bluetooth option would be a welcome addition for times when internet isn’t available. Some users may find the required login process annoying, and occasional app connections to the internet may be a downside for those truly off the grid.
The EcoFlow app allows you to tweak AC and DC charge rates, set auto-shutoff timers, and monitor discharge rates remotely. You can also customize the maximum charge and discharge rates to suit your needs. A “Quiet Charging” mode is available through the app to reduce fan noise, although it does significantly slow down charging.
For campers or those planning longer trips, pairing the Delta 2 with a solar panel is highly recommended. While the Delta 2's 1,800W capacity is impressive, a solar setup ensures you can keep the power station charged over extended periods, providing a reliable energy source wherever you are.
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Real-World Performance of the EcoFlow Delta 2
We’ve seen the EcoFlow Delta 2 excel in various settings, and YouTuber Matt Zefi's review adds more evidence of its versatility. From powering essential devices like refrigerators and lights to more specialized electronics like drone and camera batteries, the Delta 2 consistently performed without a hitch.
During an emergency power outage, he used the Delta 2 to power his home for several hours, showcasing its reliability as a backup power source. The solar charging capabilities were also put to the test, and he found it to be a convenient and eco-friendly way to recharge the unit. He even expanded its capacity by connecting an additional battery pack, making the Delta 2 even more robust for high-energy needs.
Overall, he praised the Delta 2 for its reliable performance and recommended it for anyone seeking a portable power solution for home or outdoor use.
When To Use Delta 2 Portable Power Station?
The EcoFlow Delta 2 is a versatile power solution designed to fit a wide range of scenarios. Whether you’re preparing for emergencies, planning outdoor activities, or need power for professional tasks, this portable power station has you covered.
Here are three key ways to make the most of it:
Emergency Backup Power
When the unexpected happens, the Delta 2 is a dependable backup during power outages. It can keep essential devices like refrigerators, medical equipment, or lights running smoothly, ensuring your home stays functional when the grid goes down.
Its simple plug-and-play design means you can get it up and running in no time. With multiple charging options—AC outlets, car chargers, or solar panels—it’s a flexible and reliable choice during emergencies.
Plus, its long battery life ensures it will be ready when you need it most.
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Outdoor Adventures and Recreational Use
For camping trips, road adventures, or a day at the beach, the Delta 2 brings comfort and convenience. Its compact size makes it easy to transport, and it can power everything from lights to portable stoves and small appliances.
This means you can enjoy the comforts of home even when you’re out in nature. With solar charging capabilities, it aligns with eco-friendly practices, letting you explore sustainably.
And with fast charging options, you won’t spend your time waiting around for power.
Professional and Job Site Power
If you work in remote locations or need reliable power on the go, the Delta 2 is a great tool for professional use. It’s powerful enough to run a variety of tools and equipment, making it a useful companion for construction sites, workshops, or outdoor projects.
Its expandable storage lets you increase power capacity as your needs grow, and its easy setup means less downtime and more productivity. For contractors, artisans, or anyone needing portable power, the Delta 2 is a valuable asset for getting the job done efficiently.
In each of these situations, the Delta 2 offers practical, reliable power with the flexibility to adapt to your specific needs, whether you’re at home, outdoors, or on the job.
Conclusion: Is the EcoFlow Delta 2 Worth It?
The EcoFlow Delta 2 is a powerful, feature-rich portable power station designed for a wide range of uses. But is it really worth the $899 price tag? Let’s break it down to see if it fits your needs and whether it justifies the investment.
- Versatile Power: It delivers 1800W output with a 2700W surge, perfect for high-powered devices like electric tools and microwaves.
- Durability: Its LiFePO4 battery provides up to 3,000 recharge cycles, ensuring long-lasting performance.
- Expandable Capacity: You can add extra battery packs to extend its power storage, making it adaptable to growing energy needs.
This makes the Delta 2 worth it for users seeking a powerful, durable, and future-proof portable power solution.
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Our Verdict:
Yes, it is worth it. The EcoFlow Delta 2 offers a great balance of power, durability, and expandability, making it a strong investment for those needing a reliable power solution for home, work, or recreation. However, if your needs are more specific, such as lightweight portability or low-demand occasional use, it might not be the best fit.
In short, if you need a powerful, long-lasting, and adaptable portable power station, the Delta 2 is worth the investment.
Frequently Asked Questions
Should I leave my EcoFlow Delta 2 plugged in all the time?
Yes, you can generally leave your EcoFlow Delta 2 plugged in, but there are a few things to keep in mind to ensure it stays in top shape and extends its lifespan. For optimal performance and to keep your warranty intact, it's important to perform periodic maintenance. One key tip is to avoid keeping the battery charged above 95% for long periods, as this can affect its longevity beyond the warranty.
Regularly discharging and recharging it will help maintain battery health over time. For detailed instructions, you can easily access the manuals here for guidance.
How many cycles does the EcoFlow Delta 2 have?
The EcoFlow Delta 2, thanks to its upgraded LFP (Lithium Iron Phosphate) battery, boasts an impressive lifespan of 3,000 full cycles before its capacity reduces to 80%. This means you can expect around 10 years of reliable power, even with daily use. Compared to other EcoFlow models, the Delta 2 lasts up to six times longer, making it a durable and future-proof investment.
How many solar panels can I hook up to EcoFlow Delta 2?
You can connect up to 2 EcoFlow 400W Portable Solar Panels or 4 220W Bifacial Solar Panels to the EcoFlow Delta 2, providing up to 1000W of solar input. With this setup, the Delta 2 can be fully recharged in about 2.3 hours under optimal conditions. Additionally, you have the option to charge it while driving, using EcoFlow 800W Alternator Charger.
Bundles Available:
Can EcoFlow Delta 2 power a house?
While the EcoFlow Delta 2 can be connected to a transfer switch, its 1kWh capacity is not enough to power an entire house for an extended period. It's more suited for running individual appliances during short outages or outdoor activities. For those looking to power a home or support higher energy demands, options like the DELTA Pro, DELTA Pro 3, or DELTA Pro Ultra would be more suitable.
These models offer expandable battery capacity and the ability to link multiple units for much larger power needs.
For a deeper dive into these advanced options, check out our full reviews:
Can EcoFlow Delta 2 be used as UPS?
The EcoFlow Delta 2 can technically be used as a UPS (Uninterruptible Power Supply), but it has some limitations. In the test done by , they measured a transfer time of about 38.5ms, which might be too slow for sensitive devices like computer power supplies that typically require faster transfer times. During the switch from grid power to battery power, the first two AC cycles showed a larger disruption before returning to a clean sine wave. After that initial burst, the subsequent power output was stable and clean.
(Source: Portable Power Stations Actually Work Pretty Well as a UPS)
If you're using it for less sensitive equipment, the Delta 2 could work as a reliable backup. However, for critical electronics, you may want to consider Delta Pro instead, a dedicated UPS solution with faster transfer times.
Can EcoFlow Delta 2 power a microwave?
Yes, the EcoFlow Delta 2 can power a microwave with its 1800W output. It’s capable of running high-wattage appliances like microwaves, portable AC units, and refrigerators. Additionally, with X-Boost mode, it can handle appliances that require up to 2200W without overloading. So, whether you’re heating up food or powering multiple devices at once, the Delta 2 can manage the load efficiently.
How noisy is EcoFlow Delta 2?
The EcoFlow Delta 2 operates quietly under normal conditions, making it suitable for indoor use and close environments without causing significant disturbances. However, when plugged into an AC wall outlet and charging at higher inputs (around 1100-1200W), the fans can get quite loud. As the charging input drops (around 700W), particularly when the Extra Battery reaches about 90% capacity, the fan noise decreases to a more manageable level.
It's also worth noting that the Delta 2 Extra Battery cannot be charged independently and must be connected to the main unit for charging.
