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EcoFlow DELTA Pro Ultra X Whole-Home Backup Power

EcoFlow DELTA Pro Ultra X Whole-Home Backup Power

BY: EcoFlow | SKU: EFDELTAPROUX-US-2EB Availability: In Stock
$10,597.00
$8,099.00
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EcoFlow DELTA Pro Ultra X Whole-Home Backup Power

Take control of your home’s energy with the EcoFlow DELTA Pro Ultra X Whole-Home Backup Power System — an advanced, modular power solution designed for complete energy independence. Combining the DELTA Pro Ultra X Inverter and Smart Extra Batteries, this system delivers up to 12kW of continuous power and expandable storage up to 184kWh for whole-home coverage.

Whether you’re powering your home during outages, running heavy appliances, or building a hybrid solar setup, the DELTA Pro Ultra X offers ultra-fast UPS switching, smart grid integration, and EcoFlow app monitoring — all in one sleek, plug-and-play design.

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EcoFlow DELTA Pro Ultra X Whole-Home Backup Power Features

Whole-Home Power Capacity - Deliver up to 12kW of continuous AC output or expand with three inverters (36kW total) — powerful enough to run HVAC systems, EV chargers, and all major home appliances simultaneously.

Expandable Energy Storage - Pair with up to 10 Smart Extra Batteries per inverter for a total capacity of 61.4kWh, or scale to 184.3kWh with three inverters — ideal for long-term backup or full off-grid living.

Smart, Seamless UPS - Experience <10ms switchover time (standalone) or <20ms with the Smart Home Panel 3. Your home stays powered even during grid outages.

Durable LFP Battery Chemistry - Built with LiFePO₄ (LFP) cells for safety, stability, and an extended life cycle — ensuring long-term performance with over 3,500 cycles to 80% capacity.

Intelligent System Management - Monitor, control, and optimize your power system through the EcoFlow app or the integrated LCD screen for real-time performance tracking.

Modular Design for Every Home - Stackable batteries, portable stands, and simple installation make scaling up your system effortless — from a small home setup to a complete solar-integrated powerhouse.

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EcoFlow DELTA Pro Ultra X Whole-Home Backup Power Applications

  • Whole-home backup – Keep your entire household powered during outages.
  • Off-grid living – Perfect for remote homes, cabins, or homesteads with solar systems.
  • RV and mobile setups – Portable enough for high-demand mobile power solutions.
  • Commercial use – Run tools, equipment, and server systems with clean, silent energy.
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What's Included

Everything you need is included with your product.

  • 1 x Ecoflow Delta Pro Ultra X Inverter
  • 1 x Ecoflow PV Switch Box
  • 1 x Ecoflow Charging Cable
  • 1 x Ecoflow Battery Connection Cable (2.465ft)
  • 1 x Ecoflow Delta Pro Ultra / Ultra X Portable Stand
  • 4 x Ecoflow Side Mount Caster
  • 1 x Ecoflow Solar Panel MC4 Disconnect Tool
  • 1 x Ecoflow Smart Extra Battery (DELTA Pro Ultra X)
  • 1 x Ecoflow Battery Connection Cable (0.65)
  • 1 x User Manual & Warranty Card
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Warranty

  • 5 years Warranty

EcoFlow DELTA Pro Ultra X Inverter Specifications

Specification Details
Standard Capacity 12.288kWh, 6144Wh x 2
AC Output 12kW, 120/240V, 60Hz | Up to 36kW in 3 parallel units
Net Weight (lb) Inverter: 34.5±0.2kg（70.06±0.44 lb) | Battery: 50.5±0.2kg（111.3±0.44 lb）
Battery Chemistry LFP
Screen ✓
AC Outlets NEMA 5-20 (x2) 120V 20A | NEMA L14-30 (x1) 120/240V 30A | NEMA 14-50 (x1) 120/240V 50A
Rated AC Input Power 12kW,100/200-120/240V, 50A
Noise Level Noise level <30 dB at 0.5 m (ambient temperature 25 °C, 4 kW output)
Battery Temperature Operating&Storage temp: −4°F to 113°F (−20°C to 45°C)
Maximum Capacity with 1 inverter 61.440kWh, 6144Wh x 10
Maximum Capacity with 3 inverters 184.32kWh, 6144Wh x 30
Dimension (mm) Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.) | Battery：660 × 455 × 204 mm (26 × 18 × 8 in.)
Warranty 5 years
Extra Battery ✓
UPS <10ms standalone, <20ms with Smart Home Panel 3
DC Input Total 10kW, 2 ports | 80-500V/15A, 5000W Max Each
IP Rating IP54
Inverter Temperature Operating&Storage temp: −4°F to 122°F (−20°C to 50°C)

EcoFlow 6kWh Battery ( DELTA Pro Ultra / Ultra X) Specifications

Specification Details
Model EFYJ751-BP
Net Weight Approx. 50.5 kg (111.3 lb)
Dimensions Approx. 660 × 455 × 204 mm (26 × 18 × 8 in.)
Capacity 102.4V⎓60A 6,144Wh
Cell Material LFP（LiFePO4）
Protection Type Overvoltage protection, Overload protection, Overtemperature protection, Short circuit protection, Low temperature protection, Low voltage protection, Overcurrent protection
Operating Temperature －20℃ to 45℃ (－4℉ to 113℉)
Storage Temperature －20℃ to 45℃ (－4℉ to 113℉)
Operating Humidity ＜90%
Altitude ＜3000m

Frequently Asked Questions

Can I power my entire home with the DELTA Pro Ultra X?

Yes. One inverter provides up to 12kW, enough for most homes. With three inverters, you can scale to 36kW for full-house power, including HVAC and EV charging.

How long will a single battery last during backup?

A single 6kWh battery can power essential home loads (fridge, lights, Wi-Fi, etc.) for up to 12 hours. You can add more batteries to extend runtime.

Is the system compatible with solar panels?

Absolutely. The inverter supports up to 10kW DC input (80–500V) from solar panels for direct charging and hybrid operation.

Can I install this system outdoors?

Yes. Both the inverter and batteries are built with durable enclosures for indoor or semi-outdoor installation, ideal for garages or covered setups.

Does it integrate with the EcoFlow Smart Home Panel 3?

Yes — for automated transfer, load balancing, and real-time energy control.