EcoFlow
EcoFlow DELTA Pro Ultra X Whole-Home Backup Power System
EcoFlow DELTA Pro Ultra X Whole-Home Backup Power System
Ships directly from manufacturer 🚚
Couldn't load pickup availability
-
Craze Outdoors Advantage
- 5 - Star Google Reviews
- Free Shipping Over $100
- Same day shipping
- 30 Day Price Match
- Easy 30 Day Returns
The EcoFlow DELTA Pro Ultra X is EcoFlow’s most advanced modular home backup and off-grid power system—engineered for homeowners who demand whole-home resilience, energy independence, and scalable long-duration power. Delivering up to 12 kW of continuous output and expandable storage starting at 12 kWh, the Ultra X is designed to support everything from essential backup circuits to high-demand household appliances, including HVAC systems, well pumps, refrigerators, freezers, and workshop equipment.
Built for reliability during outages and everyday energy optimization, DELTA Pro Ultra X provides fast, stable power with intelligent energy management that adapts to your home’s needs. Whether you’re preparing for extended blackouts, reducing reliance on the grid, or building a solar-powered energy system, Ultra X delivers consistent performance you can trust.
When paired with EcoFlow’s smart energy accessories, DELTA Pro Ultra X enables automated home backup with rapid switchover, intelligent load control, and optimized energy usage. Multiple charging options—including grid power, solar, generators, and hybrid input—ensure your system stays charged in virtually any scenario, giving your backup power a backup plan of its own.
Designed with advanced battery technology and robust safety systems, DELTA Pro Ultra X is built for long service life and dependable operation across a wide range of environments. Its modular architecture allows you to expand capacity as your needs grow, making it a future-ready solution for evolving households and energy demands.
From whole-home backup and off-grid living to cabins, workshops, and energy-conscious homes, EcoFlow DELTA Pro Ultra X delivers scalable, intelligent power—helping you stay comfortable, prepared, and in control no matter what the grid does.
Features
Features
⚡ True Whole-Home Power
Delivers 12kW AC output from a single inverter
Expand up to 36kW by paralleling 3 inverter units
Supports 120V & 240V appliances including HVAC, well pumps, EV chargers, and more
🔋 Massively Expandable Capacity
12.288kWh standard capacity (2 batteries)
Expandable up to 61.44kWh with one inverter
Scale to an industry-leading 184.32kWh with three inverters and 30 batteries
🏡 Seamless Home Backup (UPS)
<10ms switchover in standalone mode
<20ms with EcoFlow Smart Home Panel 3
Keeps essential circuits running without interruption
🌱 Built for Longevity & Safety
Advanced LFP (LiFePO₄) battery chemistry
Longer lifespan, higher thermal stability, and improved safety
Backed by a 5-year manufacturer warranty
🔇 Ultra-Quiet Operation
Operates at <30 dB under typical load
Ideal for indoor installations, garages, and utility rooms
🔌 Flexible Power & Charging Options
Multiple high-capacity AC outlets including NEMA 14-50
Dual high-voltage solar/DC input ports (up to 10kW total)
Ideal for solar, generator, and grid-tied systems
🛡️ Built for Real-World Environments
IP54-rated for dust and splash resistance
Wide operating temperature range for year-round reliability
Detailed Specifications
Detailed Specifications
Capacity
- Standard Capacity: 12.288kWh (6144Wh × 2)
- Maximum Capacity (1 Inverter): 61.44kWh (6144Wh × 10)
- Maximum Capacity (3 Inverters): 184.32kWh (6144Wh × 30)
AC Output
- Rated Output: 12kW, 120/240V, 60Hz
- Parallel Output: Up to 36kW (3 units)
AC Outlets
- NEMA 5-20: 120V 20A (×2)
- NEMA L14-30: 120/240V 30A (×1)
- NEMA 14-50: 120/240V 50A (×1)
Input & Charging
- Rated AC Input Power: 12kW, 100/200–120/240V, 50A
- DC Input: Total 10kW, 2 ports
- DC Input Voltage Range: 80–500V / 15A
- Maximum DC Input per Port: 5000W
Battery
- Battery Chemistry: LFP (LiFePO₄)
- Extra Battery Support: Yes
UPS Performance
- Standalone UPS Switchover: <10ms
- With Smart Home Panel 3: <20ms
Noise & Protection
- Noise Level: <30 dB at 0.5 m (25 °C, 4 kW output)
- Ingress Protection Rating: IP54
Dimensions & Weight
- Inverter Dimensions: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.)
- Battery Dimensions: 660 × 455 × 204 mm (26 × 18 × 8 in.)
- Inverter Weight: 34.5 ±0.2 kg (70.06 ±0.44 lb)
- Battery Weight: 50.5 ±0.2 kg (111.3 ±0.44 lb)
Operating Temperature
- Battery Operating & Storage: −4°F to 113°F (−20°C to 45°C)
- Inverter Operating & Storage: −4°F to 122°F (−20°C to 50°C)
General
- Screen Display: Yes
- Warranty: 5 Years
What's Included
What's Included
Inverter Box - per selection:
1 x EcoFlow Delta Pro Ultra Inverter
1 x EcoFlow PV Switch Box
1 x EcoFlow AC Charging Cable
1 x EcoFlow Battery Connection Cable
1 x EcoFloe Delta Pro Ultra X Portable Stand
4 x EcoFlow Side Mount Casters
1 x EcoFlow Solar Panel MC4 Disconnect Tool
1 x User & Warranty Card
Battery Box - per selection:
1 x EcoFlow Delta Pro Ultra X Battery
1 x EcoFlow Battery Connection Cable
1 x Safety Guide
Warranty
Warranty
5 Year Warranty
Share

