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EcoFlow DELTA Pro Ultra X Inverter with Batteries

By: EcoFlow SKU: EFDELTAPROUX-US-2EB IN STOCK
$8,099.00
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EcoFlow DELTA Pro Ultra X

Whole-Home Power. Unbound.

12–36kW Output — High Power. High IQ.

EcoFlow DELTA Pro Ultra X scales effortlessly from 12kW to 36kW, delivering intelligent whole-home power. Its advanced Adaptive Start algorithm identifies connected appliances and customizes startup behavior for each load—smoothly handling power surges up to 45kW and supporting demanding equipment like a 5-ton air conditioner.

Built to Outlast Any Outage

Start at 12kWh. Expand instantly to 180kWh.

Add up to 30 plug-and-play expansion batteries—no tools required. Your energy system grows as your needs evolve, whether for longer outages or increased daily usage.

Generator-Ready for Unlimited Backup

Connect your generator directly to DELTA Pro Ultra X using the EcoFlow FlowMaster Generator Rectifier. Charge the system while delivering up to 12kW of output—no downtime, no interruptions. Compatible with most major portable generators.

Up to 10kW Solar Input for Ultra-Fast Recharging

Capture up to 10kW of solar power—enough to recharge 12kWh to 80% in around one hour. Even during storm season, enjoy full daily recharging and rock-solid energy independence.

The Fastest Installation: 7 Days, 3 Simple Steps

DAY 1–2: Installer Match

Once your installation order is placed, you’ll be matched with a certified EcoFlow Authorized Installer to begin the process.

DAY 3–6: Site Visit

Your installer will visit your home to assess electrical infrastructure, finalize system placement, and plan a smooth installation.

 

DAY 7: One-Day Installation
Your Smart Home Panel 3 is installed, the EcoFlow app is synced, and your system goes live. End-to-end support ensures your home is powered, connected, and protected from day one.

Energy That Moves With You

DIY Solar + Plug-and-Play Batteries

Smart, Reliable Power When It Matters Most

Auto-Recharging · 20ms Auto Switchover · 32 Circuits · Intelligent Control

Before the Storm: Stay Ahead

Storm Guard Mode sends real-time alerts and automatically charges your system to 100% using solar or grid power when severe weather is detected.

When the Storm Hits: Zero Interruptions

When paired with Smart Home Panel 3 or Smart Gateway, DELTA Pro Ultra X switches your entire home to battery power in under 20ms—keeping lights, Wi-Fi, and electronics running without a blink.

During the Storm: Extended Runtime

Prioritize essential circuits in the app while throttling non-essentials to extend backup time by up to 42%. EcoFlow’s AI Assistant dynamically optimizes power based on weather, usage, and solar input.

Your 24/7 Energy Cost Saver

A Typical Day of Smart Savings

The system intelligently shifts between solar, stored energy, and off-peak grid rates—maximizing savings and efficiency around the clock.

Compatible with Existing Rooftop Solar — No Wasted Energy

With the EcoFlow Current Sense Transformer, surplus solar power is automatically stored in your DELTA Pro Ultra X batteries instead of being sent back to the grid for minimal returns.

Industry-Leading Safety Standards

EV-grade full-tab battery cells deliver higher capacity, lower resistance, and reduced heat—resulting in 25% more efficient power flow and 25% less self-heating.

EV-Grade Full-Tab Cells

Precisely matched cells ensure consistent capacity, voltage, and resistance. Automatic SOC balancing maintains peak efficiency and extends battery lifespan 24/7.

Durable Battery Pack

Local BMS with EcoFlow X-Guard® provides 44+ safety protections, while Cloud BMS runs 100+ anomaly detectors nonstop—delivering instant alerts and remote emergency support.

Dual BMS Protection

Millisecond-level monitoring tracks power flow, cables, and connections. Faulty loads are isolated automatically while essential circuits stay online.

3-Level System Safety Architecture

Smart thermal management heats batteries in extreme cold and supports charging at temperatures up to 45°C (113°F) for dependable performance year-round.

Smart Extreme-Weather Protection

Key Features

  • Whole-home power system with 12–36kW output and 12–180kWh capacity
  • Plug-and-play design with full installation in as little as 7 days
  • 20ms automatic switchover for uninterrupted power
  • Save up to $6,000 per year with a typical 3-year ROI
  • End-to-end protection with industry-leading safety certifications

Specifications

EcoFlow DELTA Pro Ultra X Inverter

General

  • Dimensions: Approx. 27 in × 19 in × 9 in
  • Net Weight: Approx. 76.06 lb
  • Ingress Protection Rating: IP54
  • Monitoring: LCD Display

Input

Power Input/Output Port Options:

  • 100–120V, 50/60Hz, 1800W 15A
  • 120/240V, 50/60Hz, 7200W 30A
  • 120/240V, 50/60Hz, 12000W 50A

PV Input (×2):

  • Voltage: 80–500V DC
  • Current: 15A max
  • Power: 5kW per port, 10kW total

Output

  • Total AC Output: 120/240V 60Hz 12000W
  • NEMA 5-20 (×2): 120V 20A
  • NEMA L14-30 (×1): 120/240V 30A
  • NEMA 14-50 (×1): 120/240V 50A

Operating Environment

  • Operating Temperature: -4°F to 122°F
  • Storage Temperature: -4°F to 122°F
  • Operating Humidity: <90%
  • Operating Altitude: <3000 m
  • Connectivity: Wi-Fi / Bluetooth

EcoFlow DELTA Pro Ultra X 6kWh Battery

General

  • Net Weight: Approx. 111.3 lb
  • Dimensions: Approx. 26 in × 18 in × 8 in

Battery

  • Capacity: 6,144Wh (102.4V⎓60A)
  • Cell Chemistry: LFP (LiFePO₄)

Protections

  • Overvoltage / Undervoltage Protection
  • Overcurrent / Overload Protection
  • Overtemperature / Low Temperature Protection
  • Short Circuit Protection

Operating Environment

  • Operating Temperature: -4°F to 113°F
  • Storage Temperature: -4°F to 113°F
  • Operating Humidity: <90%
  • Operating Altitude: <3000 m

Warranty

Energy Systems Central Stores is an authorized EcoFlow retailer. Your purchase includes EcoFlow’s official 3-year manufacturer warranty.

Key Specs

  • Power Rating: 12-36kW
  • Inverter Type: Hybrid
  • Input Voltage: 120,240V
  • Peak Efficiency: 90%

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Yes. We provide free standard shipping on all orders shipped within the United States. Shipping costs are included in the listed price with no hidden fees at checkout.

Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.

We offer a 30 day return window for eligible products that are unused and in original condition. Our support team will guide you through the return or exchange process if needed.

Absolutely. Yes. Our knowledgeable product specialists are available by phone, live chat, or email to help you select the right equipment for your application.

Most products include a manufacturer warranty, typically starting at one year. Warranty terms vary by brand and model and are listed on each product page.

Yes. We are an authorized retailer and only sell brand new, genuine products sourced directly from manufacturers or their approved distributors.

EcoFlow Glacier Classic portable fridge top view

EcoFlow DELTA Pro Ultra X Inverter with Batteries

$8,099.00