The EcoFlow DELTA Pro Ultra Xis designed as a premium whole-home backup and scalable energy powerhouse. With dual battery packs, high AC & solar input, and smart safety features, it’s built to keep your critical systems running—even during extended outages.
Updated January 13th 2026
Key Features
Whole-Home Output:12 kW AC output, scalable up to 36 kW by paralleling up to 3 inverters. (EcoFlow specs)
Large Capacity:Comes with 2 × 6144 Wh battery packs (total 12,288 Wh), expandable to 61,440 Wh per inverter. (EcoFlow specs)
High AC & Solar Input:AC input up to 12 kW, solar/DC input up to 10 kW via dual high-voltage PV ports. (EcoFlow specs)
Fast Solar Recharge:Supports a 10 kW solar surge—enough to recharge standard capacity to ~80% in ~1 hour (under ideal conditions). (EcoFlow specs)
Smart Safety & Control:Dual BMS, 44+ safety protections, X-Guard system, temperature management, and app integration. (EcoFlow specs)
Rapid Switch-Over:<10 ms UPS switching standalone;<20 ms when paired with Smart Home Panel 3. (EcoFlow specs)
What’s Included
EcoFlow DELTA Pro Ultra X inverter unit
2 × 6144 Wh battery packs
AC input cables
Battery interconnect cables
User manual & warranty documentation
Specifications
Standard Capacity:12,288 Wh (2 × 6144 Wh)
Expandable Capacity:Up to 61,440 Wh (10 packs) per inverter
AC Output:12 kW (120/240V, 60 Hz), scalable to 36 kW (3 inverters)
AC Input (Charging):Up to 12 kW (100–120 V / 120–240 V)
Solar / DC Input:Dual high-voltage PV ports, up to 10 kW combined (80–500 V, 15 A each)
Output Sockets:NEMA 5-20 (×2, 120 V 20A), NEMA L14-30 (120/240 V 30A), NEMA 14-50 (120/240 V 50A)
UPS / Switch-Over:<10 ms standalone,<20 ms with Smart Home Panel 3
Weight:Inverter: ~34.5 kg (70.06 lb); Battery: ~50.5 kg (111.3 lb)
Dimensions:Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in); Battery: 660 × 455 × 204 mm (26 × 18 × 8 in)
Battery Chemistry:LFP (LiFePO₄)
Noise Level:<30 dB at 0.5 m (4 kW output, 25 °C ambient)
IP Rating:IP54
Operating Temperatures:Battery: –20 °C to 45 °C; Inverter: –20 °C to 50 °C
Warranty:5 years
Scalability:Up to 180 kWh and 36 kW (with multiple units)
Product Comparison
Model | AC Output | Battery Capacity | Solar / DC Input | Max Scalability |
DELTA Pro Ultra X | 12 kW (scalable to 36 kW) | 2 × 6144 Wh (standard) | 10 kW (dual PV ports) | Up to 180 kWh, 36 kW |
DELTA Pro Ultra | 7.2 kW | 6,144 Wh | 5,600 W | Up to 90 kWh, 21.6 kW |
DELTA Pro | 3.6 kW | 3,600 Wh | 1,600 W | Up to 36 kWh, 12 kW |
DELTA 3 Ultra | 3.6 kW | 3,072 Wh | 1,600 W | Up to 36 kWh, 12 kW |
Why Buy from AllProGenerators?
AllProGenerators.com is a trusted, authorized EcoFlow dealer. We offer fast U.S. shipping, verified genuine products, and live phone support at954-249-2314. When you buy from us, you’re backed by experience, service, and trust.
FAQs
Q: How many battery packs can it support? A: The DELTA Pro Ultra X supports up to 10 battery packs per inverter, allowing maximum capacities of up to 61,440 Wh per unit. (EcoFlow specs)
Q: Is 12 kW AC output enough for whole-home usage? A: Yes — 12 kW handles major household loads and can be scaled to 36 kW when multiple inverters are used. (EcoFlow specs)
Q: How quickly can solar recharge reach 80%? A: Under ideal conditions, the built-in solar support can recharge the standard capacity (~12 kWh) to ~80% in about 1 hour. (EcoFlow specs)
Q: What’s the UPS switching time? A: Less than 10 ms in standalone mode, and<20 ms when used with EcoFlow’s Smart Home Panel 3. (EcoFlow specs)