Ecoflow Delta Pro Ultra X Expansion Battery

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Availability: Expected Ship Date: 11/3/25

Ecoflow Delta Pro Ultra X Expansion Battery

Item Code: EFDELTAPROUXEB

Ship Weight: 112 lbs.

Regular Price: $3,299.00

Sale Price: $2,399.00

You Save 27% ($900.00)

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Availability: Expected Ship Date: 11/3/25

Product Details

The Ecoflow Delta Pro Ultra X Expansion Battery allows you to start your Delta Pro Ultra X with 12kWh of storage and scale instantly up to 180kWh! The first EV-grade full-tab cells deliver higher capacity with lower resistance, less heat, and longer-lasting performance. 25% More Efficient power flow (thanks to lower resistance) 25% Less Self-Heating!

Ecoflow's Most Powerful System:

•	Designed to be paired with the Ecoflow Delta Pro Ultra X Inverter (sold separately)
•	The perfect option for Refrigeration, Lighting, TVs, Computers, Smart Devices, Fans, Washers, and so much more!
•	The Delta Pro Ultra X is scalable from one battery of 6kWh, all the way to 30 (sold separately), it multiplies the energy to a gigantic 180kWh.
•	Batteries need to be connected to both power-on pack ports on the Inverter. Additionally, it is recommended that the number of battery packs connected to the two ports be the same; if the number of battery packs connected to the two ports is inconsistent, the output power may not reach 12KW.
•	Requires no gas and emits no pollution.
•	Hybrid Inverter/Charge Controller Sold Separately.

6kWh - 180kWh Capacity:

•	The Delta Pro Ultra X is scalable from one battery of 6kWh, all the way to 30 (sold separately), it multiplies the energy to a gigantic 180kWh. For a standard household during a blackout, that's over 60 days of essential power to keep appliances like lights and refrigerators running strong (time may vary depending on use).
•	Start small and portable and work your way up to an entire home system!

High Power. High IQ:

•	DELTA Pro Ultra X scales from 12 to 36kW (when starting with 2x batteries). With a new Adaptive Start algorithm, it intelligently identifies connected appliances and tailors startup for each, seamlessly handling surges up to 45kW and high-demand appliances like a 5-ton AC.

Highest Battery Technology Available:

•	The first EV-grade full-tab cells deliver higher capacity with lower resistance, less heat, and longer-lasting performance. 25% More Efficient power flow (thanks to lower resistance: 1.5 mΩ vs. 2 mΩ) 25% Less Self-Heating
•	Even during storm season, enjoy a full daily recharge and steady, unshakeable energy.

The Highest Safety Standards:

•	Perfectly matched cells ensure identical capacity, voltage, and resistance, minimizing wear and maximizing battery life. 24/7 Self-Maintenance: Automatic SOC balancing maximizes efficiency across the battery�s entire lifespan.

Multiple Ways To Connect with your Home:

•	The EcoFlow Smart Home Panel 3 will give you automatic transfer capabilities and a Smart View of how you use your power. Features compatibly with 1-3 Delta Pro Ultra Units, up to 5.6-21.6kW Solar input power and 6-180kWh storage potential.
•	A Manual Transfer Switch can interface with Delta Pro Ultra X Units and can accept up to 5.6-11.2kW of Solar Input with a max storage capacity of 6-60kWh.
•	An Inlet box input can interface with 2x Delta Pro Ultra Units and can accept up to 5.6-11.2kW of Solar Input with a max storage capacity of 6-60kWh.
•	The All New Ecoflow Smart Gateway is a 6 circuit, 200A service option, where you can choose which circuits are running from your backup system or the grid.

Specifications

General Information
Manufacturer Name:	EcoFlow
Standard Capacity (with 2x Batteries):	12.288 kWh, 6144Wh x 2
Maximum Capacity with 1 inverter:	61.440kWh, 6144Wh x 10
Maximum Capacity with 3 inverters:	184.32kWh, 6144Wh x 30
Net Weight (lb):	Battery: 50.5 kg (111.3 lb)
Dimensions:	Battery: 660 x 455 x 204 mm (26 x 18 x 8 in.)
Battery Chemistry:	LFP
Warranty:	5 Years
Battery Temperature:	Operating & Storage temp: -4F to 113F (-20C to 45C)
Inverter Temperature:	Operating & Storage temp: -4F to 122F (-20C to 50C)

What's Included

What's Included:

• (1) EcoFlow Delta Pro Ultra X Expansion Battery
• (1) Ecoflow Battery Connection Cable - 0.65 ft
• (1) User Manual & Warranty Card

Ecoflow Delta Pro Ultra X Expansion Battery

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