EcoFlow DELTA Pro Ultra

Engineered to Outperform

Why EcoFlow DELTA Pro Ultra Stands Out

The EcoFlow DELTA Pro Ultra offers advanced features for home energy solutions.

6900W AC Output from a Single Unit: Power Your Entire Home Including a High-power Appliance

Equipped with X-Fusion technology, this unit delivers AC output with a continuous power of 6900W and a peak of 10.3kW for 10 seconds, even while charging. It sets a new standard in the home backup power industry.

AC Output: 6900W

Peak Output: 10300W

Power Supply for High-power Appliance

[Image Description: An illustration shows the DELTA Pro Ultra unit powering a home, with a washing machine and refrigerator clearly visible and connected.]

Expandable Up to 30kWh: Stack, Plug, and Power in Just One Minute

The world's first LFP Portable Power Station starting at 6kWh, scalable up to 30kWh in 6kWh increments. Its stackable, plug-and-play design makes expansion fast and space-efficient.

Starting Capacity: 6kWh

Max Expandable Capacity: 30kWh

Stackable Design for Space-saving Installation

[Image Description: A visual representation of stacked EcoFlow DELTA Pro Ultra battery units, highlighting their modularity.]

Build Your Own Solar System with 5.6kW PV Input

The world's first portable power station with 450V high-voltage PV input. A single inverter supports up to 5.6kW solar input—enough to connect up to ten 400W panels in series, empowering users to create their own home solar system and achieve true energy independence.

Max Solar Input Power: 5600W (4000W+1600W)

High PV Input Voltage Range: 80-450V

Low PV Input Voltage Range: 0-150V

[Image Description: An image of a house with solar panels on the roof and ground, connected to the DELTA Pro Ultra unit, illustrating a home solar setup.]

Always in Charge Even with an EV Pile ?

With 6 recharge methods including grid, solar ☀️, EV charger ?, and generator ⚡, this system features industry-leading 8800W multi-charge capability. Whether during blackouts or emergency getaways, it ensures fast, reliable power when you need it most.

Flexibly Connect EcoFlow DELTA Pro Ultra to Your Home for Daily Use or Backup

The Manual Transfer Switch (MTS) allows seamless switching between a utility power source and the portable power station. Transition to the EcoFlow DELTA Pro Ultra to utilize stored solar energy for whole-home power, reducing electricity costs. During blackouts, it provides simple, cost-effective whole-home backup without requiring permits or complex settings.

[Image Description: A diagram illustrates the DELTA Pro Ultra connected to a home's electrical panel via a Manual Transfer Switch, showing power distribution to various appliances.]

Product Specifications (Manual Transfer Switch)

Voltage: 6900W AC Output
Frequency: 50/60 Hz
Amps: 63A at AC-23A
Circuits: 4 contact units
Enclosure: IP65, NEMA 12
Color: Black and white
Warranty: 1 year
Dimensions (W x H x D): 240 x 197 x 160 mm
Shipping Weight: 1.435 kg (3.16 lb)

Maximize Energy Savings Anytime, Anywhere

Whether commuting with an EV, powering energy-hungry appliances, or enjoying an off-grid home, self-powered mode maximizes solar use. Combined with whole-home backup via MTS and scheduled charge/discharge features, you can slash bills and stay powered without complex setup.

20 ms Downtime, 0 dB Silent Backup

With an online UPS ensuring ≤20ms switch-over time, essential devices stay protected from outages or grid instability. Under 2000W loads, it operates at 0 dB ? for silent and undisturbed operation—no noise, no worries.

Online UPS Transfer Time: 20ms

Noise Level: 0dB under 2000W

[Image Description: A desk setup with essential devices (computer, monitor, router) powered by the DELTA Pro Ultra, with a dog sleeping nearby, emphasizing quiet operation.]

Smart Energy in Your Hands ?

The EcoFlow App provides real-time control and full visibility of your energy usage—track consumption from the grid, battery, solar, and generator, plus monitor charging/discharging performance across devices with a personalized dashboard.

Supported third-party brands: tibber, Shelly, ecobee, tado, tapo, kasa smart, Google.

[Image Description: Screenshots of the EcoFlow App interface showing monitoring, control, customization, and self-powered mode, along with logos of supported third-party brands.]

Reliable for Daily Use

EcoFlow DELTA Pro Ultra handles grueling conditions, from extreme weather to freezing winters, safeguarding your power security.

Operating Temperatures: -20℃ to 45℃ (Auto-heating for Winter Proof)

Cooling System: X-Cooling Cooling System

Battery Pack: Excellent LFP Battery with Boost Performance BMS and SOC Balancing Technology

Protection: IP54 Dustproof and Splashproof

[Image Description: Images show the unit in harsh environments (snow, desert), its internal cooling system, battery pack, and its rugged exterior, highlighting durability.]

Innovative Design

[Image Description: A collage of images showcases the unit in various home settings: with solar panels, in a bedroom, being loaded into a car, and connected to an EV.]

DELTA Pro Ultra General Specifications

Net Weight Inverter: 32.1kg, Battery: 52.7kg
Product Dimension Inverter: 690 x 481 x 214 mm, Battery: 660 x 455 x 204 mm
Battery Capacity 6144Wh
Wi-Fi Supported
Bluetooth Supported
Screen Supported
Grid-tied Unsupported
Standby Power Consumption <12W
Maximum Operating Altitude 9842.5ft
Warranty Inverter: 5 years, Battery: 5 years
Operating Temperature Charge: -20℃ to 45℃, Discharge: -20℃ to 45℃
Protection Level IP54
Noise <30 dB

DELTA Pro Ultra Inverter Specifications

Bidirectional Inverter Discharging AC Output: 6900W Total
X-Boost: No
UPS: <20ms
No-load Consumption: <45W
Efficiency of AC Output of 100W: 70%
Discharging Efficiency at Full Load: 94%
Bidirectional Inverter Charging Charging Voltage: 220V-240V
AC Input Power Adjustment: Supported, adjustable.
AC Charging Method: AC Input, Power Input/Output Port (AC Charging Pile)
AC Charging AC Charging Input: 220-240V~30A 50/60Hz 6900W Max (EU/UK: 220-240V~12.5A 50/60Hz, AU:220-240V~10A 50/60Hz)
C20 Charging: Protection from Lightning and Surges ⚡️ [surge protection]
DC Output USB-A *2: 5V, 2.4A, 12W *2
USB-C *2: 5V, 9V, 12V, 15V, 20V, 5A, 100W Max *2
Anderson Port: 12.6V, 30A, 378W Max
MPPT High Voltage PV: 80-450V, 15A, 4000W Max
Low Voltage PV: 30-150V, 15A, 1600W Max
Power Input/Output Port Parallel Connection: Not supported
Grid-tie: Not supported

DELTA Pro Ultra Battery Specifications

Battery Capacity 6144Wh, 102.4V, 32S3P
Battery Chemistry LFP
Cell Specs 20Ah, 3.2V
Cell Efficiency AC full loading ≥95%
Operating Temperature Charge: -20℃ to 45℃ (Auto-heating below 0℃, no derating below 40℃)
Discharge: -20℃ to 45℃
Battery Heating Yes (auto start below -20℃)
Battery Balance Automatic control of charging/discharging limit.
Protection Over Temperature Protection, Low Temperature Protection, Over Voltage Protection, Low Voltage Protection, Overload Protection, Short Circuit Protection, Overcurrent Protection.

What's in the box?

Inverter Box

Battery Box

Optional Component

PDF preview unavailable. Download the PDF instead.

DELTA-Pro-Ultra-Intro-Deck Adobe PDF Library 21.1.170

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