Taking a Closer Look at EcoFlow DELTA Pro

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Portable power was once a choice between clunky DIY arrays or small capacity. EcoFlow developed an all-in-one battery with an intimidating capacity that you can wheel around and stow away. Let’s take a deep dive into EcoFlow DELTA Pro by going over both the features you can see and the ones you can’t – plus the ecosystem of add-ons that let you do more with EcoFlow DELTA Pro. If you’re not really sure what a portable power station is, check this out first.

THE UNIT

Structure

For those of you somewhat familiar with portable power stations, seeing one with wheels might come as a surprise. The large size comes with a large capacity, but a telescopic handle on the front gives it the maneuverability of a suitcase. The body is made from rigid ABS plastic that has been infused with metallic particles so it’s both lightweight and resistant to abrasion. Commonly used outlets like USB and wall outlets are on the front, technical ports are under the front corner panel, and input ports are on the back. Four powerful fans on the top keep the battery cool to maintain high cycle life and top performance. 

Battery

We picked the LiFePO4 battery chemistry because this industry favorite has a long cycle life, long shelf life, and high stability. Since EcoFlow DELTA Pros will be used around the world in every scenario imaginable, we paired it with an all-star battery management system to handle atypical temperatures, voltages, and currents, while simultaneously preserving the battery’s cycle life.

X-Stream

EcoFlow proprietary X-Stream technology delivers one of the fastest AC recharging rates on the market. Using a built-in smart inverter, EcoFlow DELTA Pro can recharge its full 3600 watt-hours in 2 hours and 40 minutes at 1800W.

X-Boost


When the combined wattage of everything drawing power from EcoFlow DELTA Pro exceeds 3600 watts, EcoFlow’s X-Boost technology lets the unit accommodate 4500 watts worth of devices. Some devices will run at a lower wattage during this period – toasters may take longer and power tools may be less powerful, and some devices may not work at all. X-Boost shouldn’t be seen as a way to get 4500W out of EcoFlow DELTA Pro, but rather as a safety net so that a temporary surge in usage doesn’t overload the inverter.

Near, Far, Wherever 

EcoFlow DELTA Pro has physical buttons and switches for when it’s accessible, but the EcoFlow app lets you adjust, control, and monitor more. Connect at close range with Wi-Fi-based pairing or Bluetooth, or connect it to a home network to manage it from anywhere around the world.

LCD Screen

The oversized numbers and auto-brightness are designed for maximum readability at a distance, and the generous size of the display fits in key information for energy management.

  • Capacity as a percentage
  • Estimated runtime at your current usage (when discharging)
  • Time until fully recharged (when recharging)
  • Real-time input and output watts
  • Indicators about what’s plugged in, alerts, and connections

USB Ports

The USB ports on the front are for powering everyday devices in DC, which is more efficient than charging from the AC ports. The USB-C ports are at 100W and can charge newer laptops.

20A Outlet

Anything that plugs into your home’s wall outlet can be plugged into these four NEMA 5-20 outlets, even professional 20-amp devices. These outlets vary by region to match what is used in the home.

30A Outlet

Mid-sized RVs and trailers need a higher amperage than a regular wall outlet can provide, which means most all-in-one batteries can’t be used as a battery backup. With EcoFlow DELTA Pro, the cable on your RV that normally plugs into a campground’s shore power box plugs into its built-in NEMA TT-30 receptacle (not to be confused with the NEMA 10-30 receptacle used for dryers and welding machines).

Solar/Car Charging Input Port

Recharge EcoFlow DELTA Pro on a DC current through this XT60 cable. It supports 12V/24V charging from a car outlet for when you’re on the go and up to 1200W from solar input when you’re where you want to be. Charging from a car outlet for a few hours will provide a relatively small amount of power that is better suited to keeping your EcoFlow DELTA Pro topped off than for meeting your energy needs. Three 400W solar panels linked in a series can fill all of EcoFlow DELTA Pro’s 3600 watt-hour capacity in 4 to 8 hours with the right conditions. It might sound like a long time, but remember, 3600Wh is a whole lot of power.

X-Stream AC Charging Port

X-Stream is an EcoFlow technology capable of recharging 3600-watt hours of capacity in 2 hours and 42 minutes. That number can drop to below 2 hours when charging from solar and AC simultaneously.

AC Charge Speed Switch

The Speed Switch toggles between fast charging and the speed you set in the app (or 400W by default).

Overload Protection Switch

If you do manage to exceed the output EcoFlow DELTA Pro can handle and “trip its breaker” so to speak, press this button before continuing.

Extra Battery Ports

These two ports connect with EcoFlow’s Extra Battery or Smart Generator. Read more about them in the EcoSystem section below.

Anderson Port

Like the 30A AC outlet, the Anderson output port is another way for RVs and trailers to get 30 amp service. Some swear by it for its versatility and efficiency, though it may require some know-how to set up if your outfit doesn’t have it integrated yet.

Car Outlet and DC 5521

Why is it that as the automotive industry is dropping 12V accessory outlets, portable power stations are picking them up? Car outlets are still a great way to get power from the battery without losing energy to DC to AC inversion – things with a car outlet are more efficient. The same goes for the two DC 5521 outlets for 5.5mm barrel plugs that appeal to a techier audience.

Remote Control Port

EcoFlow’s Remote Control shows EcoFlow DELTA Pro’s screen from a wired or wireless connection (see the Ecosystem section below for more info). Since the wired connection uses an Ethernet cable, it’s possible to run the cable for long distances and install an Ethernet-style outlet.

Standby Switch

EcoFlow DELTA Pro normally powers off after two hours of not being used, but when switched to standby mode, it can power on when something tries to draw power or remotely from the app or the Remote Control.

Infinity Port

We came up with this port because we needed something that was as smart as a USB with the power of AC. Why? It lets EcoFlow DELTA Pro connect to another EcoFlow DELTA Pro or to the EcoFlow Smart Home Panel for home integration. It’s also how you can charge EcoFlow DELTA Pro from an EV charging station, just like you would an electric vehicle.

SMART HOME ECOSYSTEM

It’s hard to talk about EcoFlow DELTA Pro without looking at the ecosystem surrounding it. By ecosystem, we mean all its add-ons that give your home renewable energy and battery backup. There’s also the option to charge from an EV charging station or connect two EcoFlow DELTA Pros for the highest output available from a portable power station.

EcoFlow Smart Home Panel

Essentially a second breaker panel, the EcoFlow Smart Home Panel connects the battery capacity of one or two EcoFlow DELTA Pros to your home’s light fixtures and wall outlets. Decide which rooms get battery power either from the panel’s interface or from the EcoFlow app. The panel is how EcoFlow DELTA Pro can get used year-round both as an energy management solution.

Backup: Using the panel cuts out the need to bring your portable power station inside or run extension cords to different parts of the house. It also makes it possible to power things that don’t have plugs like lighting, alarm systems, well pumps, bathroom vent fans, and ceiling fans. 

Energy management: The EcoFlow Smart Home Panel’s second potential benefit is for capturing cheaper energy when electricity prices are lower, and running your home on stored power when rates are higher*. You can set all this up on the EcoFlow app so the switch to battery backup happens seamlessly and automatically.

Double voltage: With one EcoFlow DELTA Pro connected to the EcoFlow Smart Home Panel, any 120V wall outlet in your home becomes battery-powered. With two EcoFlow DELTA Pro units, the EcoFlow Smart Home Panel combines their voltage to power both your 120V and 240V wall outlets for things like dryers, ovens, water heaters, and even HVAC systems.  

 *Savings are dependent on an electricity plan where prices vary throughout the day and are not at fixed rates.

Double Voltage Hub

For insanely high wattage devices when you’re not at home, the Double Voltage Hub – like the EcoFlow Smart Home Panel – connects two EcoFlow DELTA Pro units to output 7200 watts. You probably don’t own anything that would draw that much, but multiple things used at once could. The hub is suited for both mobile workstations using heavy-duty power tools and off-grid living spaces with all the amenities. Power 240V devices through the NEMA 6-20 outlets and NEMA L14-30 outlet, whose twist-lock design makes it ideal for any situation where there’s the risk of pulling the cord loose.  

EV Station Charging Adapter

EcoFlow DELTA Pro is the first portable power station capable of recharging from an electric vehicle charging station. With an adapter in the Infinity port, EcoFlow DELTA Pro can recharge from 0–100% in less than 2 hours at any Level 2 EV charging station.

Remote Control

A screen that mirrors EcoFlow DELTA Pro’s at a bigger size makes it easier to manage energy usage when EcoFlow DELTA Pro isn’t right in front of you. Connect by Bluetooth for convenience or Ethernet cable to cover longer distances and added certainty.

Extra Battery Unit

EcoFlow DELTA Pro’s Extra Battery has the same look and the same 3600Wh capacity, just without the ports. Two Extra Battery units can triple an EcoFlow DELTA Pro’s capacity, and this trio can connect to another EcoFlow DELTA Pro with two Extra Batteries using the Double Voltage Hub or the EcoFlow Smart Home Panel. That’s 21.6kWh of portable power!

Smart Generator

It may seem we’ve become the very thing we meant to destroy, but keep in mind that gas generators and portable power stations have their own strengths. The reality of portable power stations is that you can’t just pour in more capacity during emergencies, and some scenarios may exhaust your battery capacity faster than solar can recharge it. EcoFlow’s Smart Generator plugs into EcoFlow DELTA Pro’s extra battery port and automatically turns on when EcoFlow DELTA Pro’s battery drops below a certain level. The Smart Generator runs until EcoFlow DELTA Pro is charged up to a level you set in the app, and then powers off. That’s added confidence knowing EcoFlow DELTA Pro always has a fallback for the worst-case scenario. If that day should ever come, the Smart Generator can charge EcoFlow DELTA Pro during the day, so you can sleep peacefully while EcoFlow DELTA Pro powers on through the night.

Frequently Asked Questions

How Many Hours Does the EcoFlow DELTA Pro Last?

How long the EcoFlow DELTA Pro lasts on a single charge depends primarily on how many appliances it’s powering simultaneously and how much electricity the devices consume. EcoFlow DELTA Pro provides 3600W AC output (7200W surge) with a 3600Wh storage capacity. The storage capacity of a single EcoFlow DELTA Pro can be expanded to 10.8kWh by adding two Smart Extra Batteries.

Can You Leave an EcoFlow DELTA Pro Plugged in All the Time? 

Thanks to its Advanced Battery Management system, you can safely leave your EcoFlow DELTA Pro plugged into an AC wall outlet at all times. You can program EcoFlow DELTA Pro to switch to battery power in a blackout automatically. Any appliances plugged directly into the Pro will receive uninterrupted power. If you have EcoFlow DELTA Pro integrated with your home wiring via a transfer switch, it will provide power to the connected circuits instantaneously during an outage.  

What Is the Lifespan of the EcoFlow DELTA Pro? 

How long an EcoFlow DELTA Pro lasts primarily depends on how much you use it. The LiFePO4 battery in EcoFlow DELTA Pro doesn’t noticeably degrade with time — its performance diminishes with use. EcoFlow DELTA Pro has a cycle life of 6,500 cycles to 50% capacity and 3,500 to 80% capacity — or about 10 years of regular use. A cycle is one full charge/discharge of the battery. Your EcoFlow DELTA Pro will continue to function after 6,500 cycles — but you’ll need to charge it more often. 

What Type of Battery Does the EcoFlow DELTA Pro Use? 

The battery chemistry of the EcoFlow DELTA Pro is LiFePO4, a newer subset of lithium-ion batteries. Also known as LFP,  it’s quickly become an industry favorite for applications that include electric vehicles, personal electronic devices, and backup power. Benefits include long cycle life (lifespan), high depth of discharge, and fast charging. LiFePO4 batteries are also nickel and cobalt-free, making them more eco-friendly and ethically sourced than traditional Li-ion batteries.

Can the EcoFlow DELTA Pro’s Batteries Be Replaced? 

You should never attempt to change the battery in your EcoFlow DELTA Pro portable power station.  If you’re experiencing issues that you believe may be related to the battery, contact EcoFlow’s After Sales Support. Eligible customers can also utilize EcoFlow trade-in program to upgrade to a new EcoFlow product. 

Can the EcoFlow DELTA Pro Be Connected to Solar Panels All the Time Without Damaging the Battery?

You can safely keep your EcoFlow DELTA Pro connected to solar panels at all times. Thanks to the Advance Battery Management System and MPPT charge controller, EcoFlow DELTA Pro stops charging when the battery is full and begins recharging as the battery level drops. Unlike many other home backup batteries, you don’t have to worry about overcharging EcoFlow DELTA Pro. 

Can the EcoFlow DELTA Pro Power Devices on AC and Be Charged by the AC Grid Simultaneously? 

The EcoFlow DELTA Pro can charge and discharge simultaneously using AC, DC (car adapter), or solar panels. However, if your EcoFlow DELTA Pro’s LiFePO4 battery is nearing zero capacity, it’s not recommended to output power while charging using solar or DC. When the battery runs low, ensure that the input power is greater than the output power so the device doesn’t fully exhaust its charge.

Is the EcoFlow DELTA Pro Worth It? 

If you’re looking for a reliable off-grid power solution that offers multiple charging methods and can power almost any appliance, EcoFlow’s EcoFlow DELTA Pro is absolutely worth it! From providing backup power during extended blackouts to being the foundation of EcoFlow’s Whole Home Generator, EcoFlow DELTA Pro can power just about any appliance — or appliances — for extended periods and will last you for years. It’s an excellent off-grid electricity solution.  

ECOFLOW
ECOFLOWhttps://www.ecoflow.com/
EcoFlow is a portable power and renewable energy solutions company. Since its founding in 2017, EcoFlow has provided peace-of-mind power to customers in over 85 markets through its DELTA and RIVER product lines of portable power stations and eco-friendly accessories.

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4 COMMENTS

  1. i have 2 pro units and 2 back up units
    on one unit i starting getting and red message saying overload and it stoped discharging
    it still would take a solar charge but it would not discharge
    and now the other unit after 5 days of testing with solar charging is saying the same thing
    over loading and its stops discharging
    help

  2. Hello, I am still looking for a phone number to talk with someone. I’m looking for a off-grid system, 240volts for a well pump and the rest of the home.
    Thank you Raymond

    • Dear Raymond,

      Thanks for leaving your comment.

      We believe we have perfect products that will meed your needs. Please reach out to our team at support@ecoflow.com for further assistance.

      Have a nice day.

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