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EcoFlow DELTA Pro 3600Wh Portable Power Station. Ecoflow generator 3600

EcoFlow DELTA Pro 3600Wh Portable Power Station. Ecoflow generator 3600

    EcoFlow DELTA Pro 3600Wh Portable Power Station

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    Introducing the world’s first portable home battery with an expandable ecosystem for home backup, Smart energy management, lower energy bills, and more. The EcoFlow DELTA Pro is the next leap in portable power technology, offering you power security and independence, wherever you are.

    From tailgate power to extreme blackouts that last for days on end, DELTA Pro delivers up to 25kWh of capacity. With that, you’re covered for any situation. That’s the industry gold standard.

    A single DELTA Pro unit packs a 3600W AC output, which can be expanded up to 4500W with X-Boost technology. Power 99.99% heavy-duty devices at home, outdoors, or at work. You can even pair two units together to achieve 7200W.

    MultiCharge delivers record-breaking speeds at 6500W. To reach 6500W, you can opt for these charging methods.

    EcoFlow’s X-Stream charging technology isn’t just fast, it’s safe too. The battery management system ensures safety and longevity while you fully charge DELTA Pro from a standard AC wall outlet in 1.8 hours.

    For the first time ever with a portable power station, you can charge up at thousands of EV stations worldwide. This unique charging method gives you up to 3000W fast charging on the go.

    EcoFlow’s suite of solar products give you a cost-effective renewable energy source to stay powered. You can use solar energy to charge DELTA Pro in just 2.8-5.6 hours. DELTA Pro has a wide voltage range from 11-150V, which makes it compatible with 90% of third-party solar panels with MC4 connectors. And when the weather gets unpredictable, the Smart maximum power point tracking (MPPT) automatically adjusts, maximizing your solar generation at any time of the day.

    The EcoFlow Smart Generator serves as an emergency option that integrates with your DELTA Pro ecosystem. It auto-starts when your DELTA Pro hits a low level of charge, re-charges your DELTA Pro, and stops the engine all by itself once your DELTA Pro hits a full charge. Compared to a traditional gas generator, the EcoFlow Smart Generator delivers less energy loss, faster charging and higher efficiency.

    DELTA Pro sports a brand-new LFP battery with 6500 cycles, which means you can use DELTA Pro for years and years before your unit reaches 50% of the original capacity. EcoFlow’s battery management system provides real-time analysis and regulation of voltage, current, and temperature. This unique protection mechanism makes DELTA Pro an incredibly safe and efficient home battery.

    Control DELTA Pro either on the unit itself, using the remote control accessory, or unlock a ton of customization via the EcoFlow app. On the app, you can access your power settings, such as charging and discharging levels, AC charge speeds, control the Smart Generator and a whole lot more.

    DELTA Pro’s expandable ecosystem provides you with power during blackouts, customizable energy around the clock, and lower energy bills. How does it achieve all this? With a selection of extra batteries, Smart generators, solar trackers, wind turbines, a Smart home panel, and more. From backup power to reducing your reliance on the grid with green alternatives, the DELTA Pro ecosystem can be customized to your needs.

    The new EcoFlow Smart Home Panel is the heart of the DELTA Pro home battery ecosystem. It integrates up to two DELTA Pro units with 10 home circuits. Each DELTA Pro can be connected with extra batteries, solar panels, or Smart generators, giving you uninterrupted power during blackouts, Smart energy management for your critical loads, and lower energy bills.

    With a fast 20ms switchover time, DELTA Pro and the Smart Home Panel can keep you powered on during a blackout. All the while, the EcoFlow app keeps you in the know, letting you select and modify your device priorities.

    The EcoFlow DELTA Pro ecosystem stores energy day and night, reducing your reliance on the grid and lowering your energy bills by combating time-of-use rates. It integrates directly with your home using the EcoFlow Smart Home Panel. The EcoFlow app gives you a Smart breakdown of your energy habits, and you can customize your energy usage for any type of situation.

    With DELTA Pro, you can take home with you, wherever you go. It features wheels and a suitcase-esque extendable handle that makes transport easy. And if you’re looking for a complete power solution for RV road trips and outdoor adventures, DELTA Pro comes with solar panels and dedicated 30A Anderson port and AC outlet.

    Not only does DELTA Pro provide home backup and off-grid power, it also gives you a secure power source for any type of professional work. Whether you’re working at home or outdoors, from DIY to professional projects, DELTA Pro helps you get the job done.


    Capacity: 3600Wh

    Extra Battery: Support up to two DELTA Pro Smart Extra Battery/Smart Generator

    AC Output: 5 outlets, 3600W total (Surge 7200W)

    Max Device(s) Power Supported by X-Boost: 4500W

    USB-A Output: 2 ports, 5V, 2.4A, 12W Max per port

    USB-A Fast Charge: 2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max per port

    USB-C Output: 2 ports, 5/9/12/15/20V, 5A, 100W Max per port

    Car Power Output: 12.6V, 10A, 126W Max

    DC5521 Output: 2 ports, 12.6V, 3A, 38W Max per port

    Anderson Port: 12.6V, 30A

    AC Charging Input: 1800W Max, 120V~15A, 3000W Max, 240V~12.5A

    Solar Charging Input: 1600W Max, 11-150V, 15A

    Car Charging Input: Support 12V/24V battery, 8A

    Battery Chemistry: LFP

    Cycle Life: 6,500 cycles to 50% capacity, 3,500 cycles to 80% capacity

    Shelf Life: 1 year (after a full charge)

    Connection: Wi-Fi, Bluetooth, wired

    Net Weight: Approx. 99lbs/45kg

    Dimension: 2511.216.4 in/63.528.442cm

    What’s in the box

    1.DELTA Pro2.AC Charging Cable3.Car Charging Cable4.Solar Charging Cable5.DC5521 to DC5525 cable6.Handle Cover7.DELTA Pro to Smart Generator Adapter8.User Manual

    Items Warranty Period (Months)

    Power Station 24 Solar Panel and Accessories 12 DO NOT USE YOUR PRODUCTS UNTIL YOU HAVE READ THE TERMS OF THE WARRANTY. All EcoFlow products purchased on come with a limited warranty (“warranty”) as set out above. We provide a limited warranty for purchases on The warranty period is measured starting on the date the original consumer purchaser received the products. Exclusions and Limitations This warranty does not apply: Non-quality related issues; Items purchased from unauthorized resellers; Purchases without valid proof of purchase; Items that have been refunded; Items that have expired their warranty period; Any defects or damages caused by misuse of products, unauthorized modification, disassembly or operation not in accordance with the official instructions or manuals; Any defects or damages caused by exposure to excessive heat, liquids, or other external causes; Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts; Lost or stolen products; Free products. Valid Proof of Purchase Order number of purchases made through; Sales invoice or order confirmation email that clearly shows the description of the product, its price and sales channel. Contact GeneratorShopUSA Customer Service Team at or 1 (629)-206-3022. Attach a short video or picture to show the issues.


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    Ecoflow Delta Pro Review – This is a Power Juggernaut

    Portable power generators have been gaining popularity lately and if you are in the field, you will have heard of Ecoflow products. Ecoflow has been manufacturing some of the most aesthetic, Smart and high-quality power stations. Till now, I have tested more than 5 power stations and own 4 different units myself. I love tweaking them and putting them to extremes to see how they perform.

    Ecoflow Delta Pro, their new model has garnered so much attention for its huge capacity and Smart features. In this article, we will see if Delta Pro lives up to its hype. We will also dive deeper into its features, performance and my personal experience after using it for a month now.

    I received Delta Pro from Wellbots. They offer this product at the cheapest price on the market. The whole experience including the delivery was great.

    Use coupon code KD29PGGF to get an additional 200 off on Ecoflow DELTA Pro here. This is probably Ecoflow Delta Pros best price on the market. The code works on bundles too.

    What’s in the Box

    WellBots used FedEx for the delivery. It was a smooth experience. If you do not live on the ground floor, you will need a helping hand. The package will be humongous. Weighing around 100lbs, it is heavy as a mountain.

    Do not attempt to carry this yourself. I did that mistake and I had to skip my gym session that day. Because it is so heavy, even taking it out of the box is not easy. Having an extra hand will help.

    Note: If you live in an apartment or a gated community, do not let the delivery partner deliver this package to the leasing office. Ask them to deliver it to your door, if there is an option.

    • Delta Pro power station
    • AC charging cable
    • Solar charging cable
    • Car charging cable
    • Delta Pro to Smart Generator adapter
    • DC5521 to DC5525 cable (sometimes used for solar extension)
    • User manual
    • Warranty card (24-Month warranty. You can also register on Ecoflow’s website for digital confirmation)
    • Power station handle cover

    First Impressions

    Ecoflow is known for its aesthetics and futuristic look. Let us have a look at the build quality, different ports and controls on the device.

    Build Quality

    I am a huge fan of Ecoflow’s build quality. Their products are rugged yet aesthetic. Delta Pro is built extremely well. They used high-quality ABS plastic but some parts of the station feature rubber. Although the ports are well built, the side back panel doors are not very smooth. I mean, it’s easy to open them but difficult to close.

    There is a handle on either side of the power station but still, it is too difficult to carry it by one person. The luggage-like handle and the wheels on the lower back are new to Ecoflow Delta series but they are extremely helpful, especially when you are moving this thing around on a flat surface.

    There are 4 cooling fans, 2 on either side. They make a ton of noise (more on this later). Overall, I am happy with the build quality.

    Output Ports

    There is a total of 15 output ports on this device. Meaning, you can power 15 devices simultaneously with the Delta Pro generator.

    Name Number of Ports Description
    AC 20A 4 120V 60Hz Pure sine wave, 3600W total output with 7200W total surge
    AC 30A 1 same as above
    USB A 2 5V, 2.4A | 12W max power per port
    USB A Fast Charge 2 5V, 2.4A | 9V, 2A | 12V, 1.5A | 18W max per port
    USB C 2 Voltage ranges: 5/9/12/15/20V, max current: 5A. Max power of 100W per
    DC5521 Output 2 12.6V, 3A | 38W per port
    Car charging port 1 12.6V, 10A | 126W max power
    Anderson Output 1 12.6V, 30A | maximum power of 378 watts

    It’s a pity that all the AC ports are US type. It would have been extremely convenient to have at least one universal AC outlet. If you are to plug devices with EU/UK/etc, you will require an external adapter. For detailed ports specifications check the manual here.

    DC5521 (or just DC port) is very helpful to power devices that take power via DC port. Devices like CPAP machines make use of DC ports very much.

    The default standby time of AC ports is 12 hours. If the AC load is zero, then the AC power automatically turns off to save power loss.

    Input Ports

    There are 2 input ports both of which are used to recharge the battery

    • AC Charging input – 120V, 1800W Max | 240V 3000W Max
    • Solar/Car Charging input
    • Solar charger: 11-150V, 15A max, 1600W max input power
    • Car charger: Supports 12V or 24V battery. The default current rating is 8A


    Ecoflow Delta Pro can be controlled in several ways, traditional on-unit control, wired control (via ethernet port) and IoT/Wi-Fi control via a smartphone app (more on this later).

    Talking about on-unit control buttons. On the front, we have two buttons

    • Power button – Long press to turn on/off the power station. Quick press to wake up the LCD screen
    • AC power button – To turn on/off the AC output ports

    On the back, we have two buttons

    • Overload protection switch – If the power station is overloaded, maybe by plugging in power-hungry devices, you can use this switch to reset the fuse.
    • AC charge speed switch – Allows you to control AC charging speed (in-depth info on this later)
    • Fast – This mode lets the power station draw more power from your wall outlet. input power so faster recharge.
    • Slow – Draws lesser power from the wall socket but takes a while to fully recharge

    On the side panel, we have 4 buttons

    • 12V DC power button – Lets you turn on/off DC ports
    • IoT reset button – To reset the Wi-Fi connection
    • Pairing Button – For Wi-Fi/Bluetooth pairing
    • Standby switch


    Okay, I have used Ecoflow Delta and River 600 both of which are very portable and can be carried around by yourself. But, with a larger battery capacity, comes a higher weight. Weighing 100 pounds, Delta Pro is definitely not an easy-to-carry device. It is still portable but not very convenient to move.

    On a flat surface, you can make use of its luggage handle wheels to move easily. Just press the button on the handle, pull it, pick it up and just roll. After you reach the endpoint, put it down, press the handle until it clicks and you are done.

    The problem is with uneven surfaces/staircase/outdoor use. It is a two-person job. Don’t get me wrong, I carried it two floors up my apartment and it was crazy, I wouldn’t do it again, ever.

    On the flip side, it is not like a traditional home UPS where you set it and forget it. Delta pro can still be taken to places but make sure you have some helping hands. Also, if you are thinking to purchase this solely for camping, I wouldn’t recommend it. I think EF Delta is just enough for that purpose.

    Delta Pro can also be used in vertical mode, just like a luggage bag.

    Now, let us have a look at the technical specifications of the Ecoflow Delta Pro power station. That’s where the money is right! Let’s talk about it

    Power Capacity

    When it comes to portable power stations, power and battery performance are the most important. Higher power means you can drive multiple and/or high-power appliances without having to worry about overloading the station.

    Ecoflow DELTA Pro offers an output power of 3600W which is massive. The last time I wrote about a power station of this size was EP500.

    To give you a context of how much 3600W power is,

    TV Laptop Microwave Oven Instant Pot cooker 10 Light Bulbs 1 Room Heater = 3600W (approx)

    If I roam around my house and note down all the devices rated over 3600W power, I may find the HVAC system (window and portable ACs are well under 3.5k) and the electric water heater. That’s it! Everything else, including the electric stove, dryer, fridge, etc are under the 3.6kW mark. This means DELTA Pro can replace the traditional home inverters in most households.

    Not just for households, this much power is enough to drive many power tools in your workshop making this power station a good backup option for mobile workers, shops, small-sized offices and whatnot. For campers, you can stay comfortably in a jungle for weeks with this one. But good luck carrying it around.

    To give you an example, my parents live in a 5 bedroom house and use a 2000VA UPS. A 2kVA UPS generates a power of about 1600W. Since they live in a rural area, frequent power outages are common. With this 1600W, they are living very comfortably. Apart from AC and cloth dryer, everything else works, even a half HP water pump. Now compare this with Delta Pro’s power rating. than double!

    That’s not all, there is X-BOOST


    Delta Pro has a feature called X-Boost that can boost the output power to a whopping 4500W. For this, you will have to turn on the X Boost mode via the smartphone app. When turned on, the power station can power a 4500W max device and avoids operation failure due to overload protection.

    Battery Capacity

    Ecoflow Delta Pro power station features LFP batteries (lithium iron phosphate). This type of battery is found to be very efficient. Tesla is planning to use LFP batteries for its EVs.

    In any power bank, battery capacity determines how long you can use the battery to power your devices. The higher, the better. DELTA Pro, featuring a 3600Wh battery, can continuously power any device

    The math is simple and here it is,

    Total backup duration = Power rating of a device / total battery capacity

    Example: My TV has a power requirement of 80W. So, 80Watt divided by 3600Watt hours = 45 hours. This means the Delta Pro battery station can power my TV continuously for almost 2 days. This is under ideal conditions. In real world, it could be slightly less than 45 hours because no battery will be 100% efficient.

    If you are thinking about whether 3600Wh is enough or not, start by listing down the most power-hungry device in your home. In my case, it would be my clothes dryer that consumes 2000W continuously. On Ecoflow Delta Pro, I can run my dryer for about 1.5 hours. If I am not wrong, my dryer takes about 70 minutes for full load drying. So, one full load for sure.

    If you are planning to use it as a whole-home power station, you will have to keep in mind that there will be multiple devices hooked up.

    A 2.2kW load is showing 1 hr backup time but it is more than that since does not show fractional numbers

    Time to compare – my parents have two 150Ah 12V batteries. So, the total battery capacity would be 3600Wh which is the same as DELTA pro. This much juice is good enough to keep an average home running in the US (without HVAC of course)

    Tip: If you live in a place that gets too cold/hot, portable battery stations may not be a great option for you. HVAC and water heating are vital in many cases and most power stations fail to cover those devices. A gas generator can be a good option in such cases.

    The Battery is Expandable

    Yes, Ecoflow Delta Pro’s battery capacity can be increased. In fact, it supports upto 25,000 Wh which is insane. You can either purchase Ecoflor Delta Pro Smart extra battery or add another power station unit.

    The extra battery ports on the back panel will help you achieve this. The process requires the use of the Double Voltage hub or Smart Home Panel kit. These accessories are sold separately.

    Shelf life

    Delta Pro’s LFP batteries have a shelf life of 1 year (after a full charge). Shelf life is the length of time a battery can remain in safe storage without losing its capacity. I used the word safe storage because if you store it under extreme temperature, the batteries die quickly.

    If you are planning to buy this just as an emergency power backup and don’t expect to use it at least once every 2-3 months, please make a note/set a reminder to discharge and recharge it once every quarter. You don’t want to lose this huge investment because of negligence.

    Cycle life

    Battery cycle life is another important aspect. Cycle life is the number of charge and discharge cycles that a battery can have before losing performance.

    Delta Pro’s battery has a cycle life of 3500 cycles to 80% capacity. So, even if you discharge and recharge this power station every day, it lasts for 10 years? I don’t have enough data on this but we should rely on the manufacturer’s words.

    Storage and Maintenance

    It is worth to be noted that storing a battery (any battery) with a low charge for a long period shortens its lifespan. This is the reason auto experts suggest you turn on your auto engine at least once every two months.

    Fortunately, DELTA pro minimizes battery damage by putting the battery into hibernation mode. The manufacturer, however, recommends keeping the battery at around 60% before putting the power station into long-term storage. It is also recommended to discharge the battery to 30% and recharge it back to 60% once every 3 months.

    The ideal storage temperature would be between 70°F to 85°F. Keep it away from water and make sure not to store in temp above 110°F or below 15°F for a long time. High temperature is extremely bad and can quickly degrade battery efficiency.

    Warning : DO NOT use this product near water without a waterproof or atleast a water-resistant bag. If water gets in the battery area, it will be a huge mess. Better to be safe than sorry.

    For detailed info on maintenance and FAQs, refer to the official manual

    Battery Protection

    The technology is so advanced now that you don’t have to worry about damaging the battery. Equipped with Ecoflow’s intelligent silicon chip, Delta Pro power station has,

    • Over voltage protection
    • Overload protection
    • Over temperature protection
    • Short circuit protection
    • Low temperature protection
    • Low voltage protection and
    • Overcurrent protection

    Uhh, that’s a lot of protection. I don’t know, maybe there is nuclear attack protection too! This power station is perfect for doomsday bunkers lol

    Surge Capacity

    We have a whopping 7200W surge rating. This means the power station can provide 7200W for a brief period of time (typically several seconds). Surge is very helpful when you are using coil-based electronic devices like pumps, heaters, ovens, motors, etc.

    The concept is simple, some power-hungry devices require more power while starting. For example, a microwave oven takes twice as much power in the initial few seconds. After that, the intake reduces drastically. Surge capacity will be used in such cases.

    In general, having a surge rating of 7200W is beneficial because it covers most if not all devices. People who work with power tools will get the highest benefits out of it.

    LCD Display

    Ecoflow DELTA Pro has the most informational display I’ve ever seen in any battery device. Wow, this display even has a carbon monoxide alert, how cool is that! Also, the display is bright enough to be seen under the sun.

    There are 23 indicators on the display and it would be easier for you to understand if I attach a picture instead of text.

    Ecoflow Smartphone App

    When Ecoflow released its River 600 power station, it launched its new mobile app to enable IoT operations. DELTA Pro is their second battery station with Smart control functions. The battery station connects to the phone either via Bluetooth or Wi-Fi. If you choose Wi-Fi, you can control this device from anywhere in the world. Refer to the Remote Control guide for more illustrations.

    When you receive the product, download the app and pair the device with your phone. You may be asked to update the firmware, do it. Sometimes, firmware updates screw up the connection settings. If so, reset Delta Pro by pressing the IoT button and reconnecting to your phone.

    Once done, you can explore different options. The app has sick animations and is very user-friendly. It displays input and output wattage. Individual port outputs and whatnot. You can also turn on/pff X-Boost, AC and DC power.

    Apart from these, you can also configure various settings like charge/discharge level, AC charge speed, timeout, etc.

    Note: There is a small delay in data sync. The LCD display on the device is realtime while the data on the app is delayed by a second or two.

    Charging Ecoflow DELTA Pro

    There are several ways to charge this battery station. You can also combine one or more for faster charging.

    AC Charging via X-Stream Technology

    This is charging from a traditional wall outlet. Delta Pro supports X-Stream which is a fast charge technology. This offers upto 1800W power input. You can control the charging power through the AC charge speed switch at the back panel.

    If set to fast, the station draws a max of 1800W from the grid (wall outlet). Typically takes about 3 hours to fully charge. I always charge it in fast mode and I see around 1600W input on the display.

    Ther is a customizable/slow mode. Here you can select the charging power from 200W to 1800W. The default is 400W. The range can be modified via Ecoflow app only. Slow charging is helpful when you are on a limited power line and want to ensure you are not overloading the power source.

    Solar Charging

    Nowadays, every portable power station supports solar panel input. With Ecoflow Delta Pro, you can use up to 1600W solar input to recharge the batteries.

    The included MC4 to solar charging port cable lets you connect to your solar panel. If you are using more than one panel, connect them in series. Make sure the DC input voltage lives between 11-150V with 15A max current.

    I tried solar charging by connecting my Ecoflow 110V foldable solar panel to it. It works well. There is a solar input indicator on the display along with input wattage. For households, I recommend using a rooftop solar kit. For outdoor/travel use, get a portable solar panel. These are the ones I recommend.

    Car Charging

    We can also recharge the product through the car outlet. It supports 12V/24V car chargers and 8A current input. Only use this while your car is started/running to avoid battery drainage. The charging cable is included in the package.

    EV Charging via Infinity Port

    You can use EV charging stations to quickly recharge DELTA Pro. With Infinity port, you can draw up to 3400W input to fully charge in under 2 hours. For detailed info on Delta Pro EV X-Stream Adapter, check this manual.

    Performance of DELTA Pro

    Let us now see some of the devices that can be powered by Ecoflow DELTA Pro and the duration.

    Just to test, I charged this battery generator to 100% and hooked up my laptop and two monitors to it. It ended up powering them continuously for a day before dying. My MSI gaming laptop is very power hungry.

    “> Appliance “> Will it work? “> Backup time (approx)
    “>Laptop (80W) “>Yes ” data-sheets-numberformat=””>100 Times
    “>LCD TV (150W) “>Yes ” data-sheets-numberformat=””>24 Hours
    “>Smartphone (8W) “>Yes ” data-sheets-numberformat=””>500 Times
    “>Refrigerator (150W) “>Yes ” data-sheets-numberformat=””>3 Days
    “>Ceiling Fan (52 inch) “>Yes ” data-sheets-numberformat=””>2 Days
    “>Microwave Oven (1100W) “>Yes ” data-sheets-numberformat=””>3 Hours
    “>Instant Pot Cooker (1000W) “>Yes ” data-sheets-numberformat=””>3.5 Hours
    “>Space Heater (800W) “>Yes ” data-sheets-numberformat=””>4 Hours
    “>Corded Drilling Machine (600W) “>Yes ” data-sheets-numberformat=””>6 Hours
    “>Washing Machine (900W) “>Yes ” data-sheets-numberformat=””>4 Hours
    “>CPAP Machine (60W) “>Yes ” data-sheets-numberformat=””>10 Nights
    “>Wall Mounted AC (8000Btu) “>Yes ” data-sheets-numberformat=””>1.5 Hours
    “>Electric Kettle (1300W) “>Yes ” data-sheets-numberformat=””>2 Hours
    “>Circular Saw (2300W) “>Yes ” data-sheets-numberformat=””>1.5 Hours
    “>Welding Machine (1800W) “>Yes ” data-sheets-numberformat=””>2 Hours
    “>Electric Bike (500W) “>Yes ” data-sheets-numberformat=””>100 Miles
    “>Coffee Maker (750W) “>Yes ” data-sheets-numberformat=””>4 Hours
    “>HVAC (5000W) “>No ” data-sheets-numberformat=””>–
    Electric Water Heater (4000W) No

    These values are approximate. The actual duration may differ depending on factors like battery efficiency, device characteristics, etc

    Noise/Sound During Operation

    The biggest issue with the DELTA Pro portable generator is its sound. It is so annoying. I have used different power stations before, mostly of lower capacities like 1500Wh or so and they were quiet during operation. With a larger capacity comes louder noise. Delta Pro makes so much noise that I stopped charging it when I am around.

    The video shows charging sound. At full load, the operating sound is twice as much as this. You can hear the sound from the second floor too.

    This power station uses fans to keep itself cool. There are 4 fans and they turn on continuously while charging and intermittently when powering a load (continuous when the load is high). It is so loud, that I sometimes feel distracted, esp during meetings. I do not recommend keeping the unit near you at all. It is just worse.

    Does not matter if the input power is 400W or 1800W, it is always on during charging. Same while delivering power.

    If the load is very small (say 30W), the fans are off. If it is something like 150W, the fans turn on once in a few minutes. If it’s a heavy load, the fans are continuously on. I am not saying there should be a way to turn them off but it would have been great if there was an option to minimize the noise.

    I give 3/10 stars for this section. Very disappointing.

    My Experience and Verdict

    I have been using DELTA Pro for over a month now and so far, except for the noise, I am loving this device. It is advanced, Smart and is like a swiss army knife of power stations. Has every possible port, aesthetic look and insane capacities.

    Note : The first time when I used it to power my laptop and monitors, I got the ‘new electronics’ smell which is scary but common. The smell disappeared after a couple of days of use

    Personally, I use portable power stations during road trips/outdoor activities. But people who live in rural areas might make use of it well. Especially, those who are prone to frequent power outages, storms, etc. I did use my stations during the last winter storm here in Texas.

    If you are using this as backup power, go for it. With such huge capacities and battery life cycles, you can definitely replace your home UPS with this. It supports direct grid to appliance operation which is cool.

    BUT, if you are planning to buy this just as an emergency power source, I do not recommend battery stations. Mainly because battery generators need to store power to deliver power. If your outage lasts for weeks, then you are doomed. I know it is eco-friendly, more effective but still, a diesel generator might be a better option here.

    With that being said, I think Ecoflow DELTA Pro is best for RV owners, mobile workers, small workshops, small businesses/shops, home offices and residential homes in general. If I live in an apartment, I would get Ecoflow Delta instead of Delta Pro.

    Use coupon code KD29PGGF to get an additional 200 off on Ecoflow DELTA Pro here. The cheapest on the market. The code works on bundles too.

    I spent a lot of time testing out this product and writing this article. I hope this Ecoflow Delta Pro review was helpful to you. If you have any questions related to the product or have Комментарии и мнения владельцев/experiences to share, please leave them in the comment section below. I appreciate it.

    EcoFlow’s new gas generator oozes with high-tech and safety features

    TechRadar Verdict

    EcoFlow has improved the humble gas generator by putting more Smart into it. It is now a connected unit that can combine with other EcoFlow products to provide electricity for a much longer period.


    • Wi-Fi accessible
    • Carbon monoxide detector
    • Remote start
    • DC output for other EcoFlow products


    Why you can trust TechRadar

    We spend hours testing every product or service we review, so you can be sure you’re buying the best. Find out more about how we test.

    High-capacity battery power stations could spell the end for the ubiquitous gas generator. Together with solar panels and the increasing cost of gas, people have more reasons to switch to an alternative energy source. Does this signal the end for the gas generator?

    Not so fast. EcoFlow has revisited the classic generator, giving it a few tricks along the way. Its latest product, the EcoFlow Smart Generator, is a highly sophisticated gas-powered generator that works closely with other EcoFlow products such as the Delta Pro battery station. It is an attempt to solve the problem of power outages lasting longer than a few hours which is the bane of battery-based power solutions.

    ecoflow, delta, 3600wh, portable, power, station

    The question is whether the EcoFlow Smart Generator is one of the best portable power stations. Read on to find out.

    EcoFlow Smart Generator: Price and Availability

    The 1800W Smart generator is compact and fits nicely in EcoFlow’s ecosystem. At an MSRP of 1399, it is expensive for the output power offered but the added features are worth the extra money.

    EcoFlow Smart Generator: Design

    The generator weighs 28.5kg and measures 59.7cm x 59.6cm x 47.5cm. It has two handles, one in front and one at the back, making transportation somewhat bearable. It is missing a set of wheels which would have been ideal for this heavy product. The plastic case feels strong and will last many years. Four rubber feet provide stability and prevent the unit from wobbling too much when the motor is running.

    Accessories needed for the periodic maintenance of the generator are provided, including an oil funnel, a screwdriver, and a spark plug socket. The user manual and warranty card are also supplied while an extra battery cable enables using the generator with other EcoFlow devices right away.

    The built-in R80-i engine is a 79.7cc 4-stroke single cylinder. It has a maximum of 2.0 HP at 3600 rpm. The 4L fuel tank allows three and a half hours of continuous use which translates into a 5.4kWh of energy storage. Only unleaded gasoline fuel of octane number 86 or higher should be used with the generator. The engine smoke outlet is located at the back and should be cleared of any obstructions.

    Engine oil change and carbon monoxide warning are shown on two LEDs located on the front panel. Two push buttons control the pairing of a smartphone with the generator and enable the 1800W AC output socket. A dedicated 32A DC socket connects to other EcoFlow battery-powered units such as the Delta Pro. This minimizes energy loss by outputting the cell charging voltage instead of the conventional 120V AC voltage.

    EcoFlow Smart Generator: In use

    Sporting the same look as other EcoFlow devices with the trademark case and big segmented front LCD, the Smart Generator is fundamentally different from other EcoFlow products as it is less environmental-friendly and considerably noisier. A label on the case warns not to use the generator in an enclosed space since the engine emits carbon monoxide gas. That said, the built-in carbon monoxide detector can turn off the engine when too much is detected.

    The generator has to be prepped before its first use. The fuel tank should be filled with at most four liters of unleaded gasoline. Next, the maintenance panel located on the right side is removed to add oil and connect the rechargeable battery. The generator is surprisingly fast to turn on using the start push button, taking just a couple of seconds.

    The EcoFlow Smart generator can either be used standalone like a regular gas generator or together with an EcoFlow battery power station where it charges the latter whenever the battery capacity reaches a certain level. The inclusion of an electric start in the generator comes in handy since the battery station initiates its charge through the battery cable.

    As with any gas generator, the engine requires regular use to keep it trouble-free. If it isn’t used for an extended amount of time, the manufacturer recommends emptying the fuel tank and carburetor. Other components require maintenance once in a while to keep the generator in an optimal working condition. This includes changing the engine oil and cleaning the air filter after 20 hours of operation.

    The EcoFlow mobile app available for both iOS and Android can be used to control the generator through Wi-Fi. The setup is very easy with the pairing initiated by holding the IOT reset button for a few seconds. As the generator uses the 2.4GHz frequency, the procedure has to be done with a 2.4GHz Wi-Fi router and smartphone. Features such as electric start, fuel gauge, and maintenance log are all available through the app.

    EcoFlow Smart Generator: The competition

    A gas-powered generator is ideal whenever there are extended blackouts. Like a portable battery station, modern generators provide a slew of outputs covering most large appliances as well as electronic devices such as phones and laptops. It is still uncommon to see a generator equipped with Wi-Fi and a carbon monoxide detector so the EcoFlow is in a class of its own.

    The Wen 56200i 1600W portable inverter generator is similar to EcoFlow’s generator. It has an identical engine and fuel tank size but lacks safety features such as the carbon monoxide detector. Being a universal generator, it does not have the dedicated high current DC socket to connect to an external battery such as the EcoFlow Delta Pro. There is no remote start and of course no Wi-Fi connectivity.

    EcoFlow Smart Generator: Verdict

    The Smart Generator is great if you already have other EcoFlow products. It complements superbly the Delta Pro, for example, extending its functionality by providing a secondary power source. Charging with this generator instead of a conventional one will be more efficient resulting in gas savings. On the other hand, it is noisier and pricier than competitive models.

    How Long Can the EcoFlow Delta Pro Last for Home Backup?

    Let’s just say it; gas generators are not ideal for home backup. They’re loud, toxic, expensive to run, and they will soon be illegal in California!

    The EcoFlow Delta Pro has marketed itself as the best portable power station for home backup, but do the claims live up to reality? That’s what we’re going to test today.

    For the sake of this experiment, let’s say that you don’t have a spare battery and you only have one 400W solar panel working at 50% capacity (due to the storm). Let’s see how it does!

    EcoFlow Delta Pro Battery Life and Input

    Before we start, let’s understand how much power we’re dealing with. A full charge can safely last on your shelf for over a year, offering a base capacity of 3600Wh. If you’re expecting this to decline like most batteries, understand that the EcoFlow Delta Pro batteries will last 6500 lifecycles before declining 20% from their original capacity.

    On top of that, if you are receiving 200W of solar energy for 14 hours of the day, then that’s an additional 2600Wh to 2800Wh on your system each day, as the system works at around 94% efficiency, which is higher than any other portable power station on the market. Let’s call it 2700Wh for the sake of simplicity.

    Of course, if you have an additional Smart Battery or more solar panels, then you will significantly increase your power output and you can read our full review of the system for more information. However, if you want to save money on the upfront costs, then here’s what to expect.

    How Long Will It Last for Home Backup

    Now that you know the performance of the EcoFlow Delta Pro, it’s time to put it to the test. Let’s see how long a 3600kWh system can last with an extra 2700Wh per day!

    With Conservative Energy Consumption

    Let’s say you have plenty of ice packs in the freezer to keep everything cool for a couple of days without power. All you need is to charge your family’s iPhones, run a few LED lightbulbs, and keep a television on for a few hours of the day.

    If you’re charging four 10W LED lightbulbs, one full charge will last 84 hours without solar panels, so you’d also be able to charge your iPhone as many times as you’d like with the ongoing power from the solar panels. A 50-inch TV (110W) could stay on for at least 10 hours a day on top of that, and 5 or 6 hours with TV and internet so you can watch your favorite streaming service!

    If you’re using a hotspot on your phone and limiting your energy use during the night without offsets, this type of lifestyle could last indefinitely.

    With Moderate Energy Consumption

    A power outage doesn’t have to be too much of a bummer. If you limit your energy consumption, you can potentially power a lot. In this case, let’s say you want to:

    • Keep your refrigerator running
    • Run 10 LED lightbulbs
    • Keep your iPhone charged
    • Run a 110W television

    The refrigerator is the bulk of the energy consumption in this case. One full charge from your EcoFlow Delta Pro will only last 24 hours for a large 120W refrigerator, so the 200W solar offset will certainly help.

    At night, you would have to dramatically reduce your energy consumption to allow the refrigerator to run. In this case, we’d recommend limiting television use to daytime and to limit use to 3 hours or less. If you don’t allow the system to fully charge by sunset, then the refrigerator may not stay on through the night.

    However, a couple of hours will not be the end of the world for the food in your refrigerator or freezer, especially if you don’t open it before turning it back on. For that reason, this lifestyle is plausible for one EcoFlow Delta Pro portable power station and solar panel to last for 3 to 5 days.

    With Heavy Energy Consumption

    Here’s where we run into some trouble. If you don’t want to (or can’t) make any sacrifices during a power outage, then understand that the average home uses 28.9kWh per day. If you want to continue using such high amounts of electricity by running incandescent lightbulbs, refrigerators, televisions, heaters, Wi-Fi, and more, then you will need more power.

    Fortunately, the EcoFlow Delta Pro can potentially help you if you purchase the right bundle deals. With a maximum input of 1600W (continuous), you could easily run the majority of your appliances at home, especially with a spare battery to last through the night.

    Keep Them Running

    Now that you see why the EcoFlow Delta Pro is the top choice for home backup, consider getting one for yourself and putting your gas generator to rest. 3600Wh goes a long way when you have solar panels to assist, and best of all, solar energy is free!

    Stay up to date with our latest product information and shop with us for free shipping and a price match guarantee!

    What are my options for adding additional batteries and Solar Panels to the EcoFlow Delta Pro?

    Adding an EcoFlow Delta Pro expansion battery can be a great option if you need more uninterrupted power. When you add an expansion battery to one of the delta pro units they automatically act as one unit together, which makes for a super easy expansion for your off-grid power. Depending on your energy usage, whether you are wanting to run your power tools, heavy-duty appliances or just need a complete power solution you may want to add an extra battery to your delta pro ecosystem.

    You can add up to two expansion batteries to your EcoFlow Delta Pro for ultimate power security. Without using solar power as an energy source, two fully charged expansion batteries could power a fridge for two days or a circular saw for five hours straight. If you then attach your solar panels to your EcoFlow Delta Pro System, you should be able to run some of your heavy-duty devices uninterrupted to keep you going for all of your Home Backup Needs.

    What is the Solar Input for the EcoFlow Delta Pro?

    The EcoFlow Delta Pro is the only portable generator that allows for up to 1600W of solar input at a time. You can charge the 3.6 kWh battery in just over 2 hours with enough solar panels.

    Also, with its 3600W output (7200W surge), you can easily run your system indefinitely with 1600W of continuous solar input, now that is Smart energy management! This is more than enough for your backup power needs so you can power a refrigerator, air conditioners, or other large appliance. Incredibly impressive and efficient portable power technology!

    How fast will the EcoFlow Delta Pro Charge so I can get ready before a power outage hits?

    You can be fully charged in 1.8 Hours! EcoFlow’s battery management system guarantees longevity and safety while you fully charge your EcoFlow DELTA Pro from a regular AC wall outlet in 1.8 hours. Ecoflow’s x-stream charging technology isn’t just fast, it’s safe too. Definitely the gold standard in charging capabilities.

    What can I use my EcoFlow Delta Pro for aside from emergency power backup?

    The EcoFlow Delta Pro is one of the most incredibly versatile Smart generators on the market. Feel at ease knowing you have an energy backup incase of an emergency, you can bring it along for outdoor adventures (it has wheels for ultimate portability!), rv road trips, or you could even use it to lower energy bills for regular use at home!

    If this is your first time using an EcoFlow Delta Pro, just know that it is incredibly simple to set up and use and here at Wild Oak Trail, we are more than happy to answer any questions you might have!

    Our Customer Service Representatives are friendly and extremely knowledgable! Give us a call at 1-844-945-3625, email us at or you can chat in right on our website!

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