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![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/Inverter2_f9b3034d-74aa-4ba9-b438-797a5cf4f625.png?v=1763144170&width=1400)
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![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/10_fcca44a1-a97c-411e-b46d-775d37010a74.png?v=1763144171&width=1400)
![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/11_a7c2800b-35f2-4637-892d-1a2e20cc4b65.png?v=1763144171&width=1400)
![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/12_f1e4aaf3-d01a-481b-b4bd-fdb08b79f83c.png?v=1763144171&width=1400)
![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/Inverter3_e2c8a2ce-47af-4588-a62b-27680592cde6.png?v=1763144173&width=1400)
![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/Inverter4_1de231dc-9dd7-468e-b86c-ea588954005f.png?v=1763144172&width=1400)
![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/Inverter5_91c9b9c7-f3ec-4759-876a-94c6b78daecb.png?v=1763144172&width=1400)
![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/Inverter6_b876322b-a17a-470f-92fa-da72ed235ea7.png?v=1763144173&width=1400)
![EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support](http://shopsolarkits.com/cdn/shop/files/Inverter7_82919cec-bf6c-4022-ba7d-e923e4b1034b.png?v=1763144173&width=1400)
EcoFlow · Inverter/Charger
SKU: EFDELTAPROUX-US
EcoFlow DELTA Pro Ultra X
Unlock next-level off-grid power with the EcoFlow DELTA Pro Ultra X Inverter—a powerful, scalable solution designed for serious energy independence.
- Regular price
- $3,799.00
- Sale price
- $3,799.00
- Regular price
-
$3,999.00
Questions before you buy?
Call 877-242-2792 and we’ll work it out with you. Mon–Thu 10am–5:30pm, Fri 10am–1pm EST.
Frequently bought together
Specifications
The details.
Unlock next-level off-grid power with the EcoFlow DELTA Pro Ultra X Inverter—a powerful, scalable solution designed for serious energy independence. Whether you're upgrading your home backup system or building a robust off-grid setup, this inverter delivers exceptional output, seamless switching, and high-efficiency solar input.
Key Features & Benefits:
-
Massive Power Output: Delivers 12,000W continuous output, expandable to 36,000W with up to 3 inverters.
-
High Solar Input Capacity: Accepts up to 10,000W of solar input, scalable to 30,000W across 3 units.
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Online UPS Functionality: Ultra-fast 10ms transfer time ensures uninterrupted power during outages.
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Extended Lifespan: Proprietary cooling structure enhances thermal efficiency and reliability.
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Top-Tier Safety: Built with comprehensive system protection and the industry’s highest safety certifications (including UL).
-
Modular & Scalable: Ideal for growing power needs—easily expand your system with additional inverters.
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DIY-Ready Integration: Seamlessly pairs with the DELTA Pro Ultra ecosystem for user-friendly setup and control.
User Manual / Documents:
- Standard Capacity
- 12.288kWh, 6144Wh x 2'
- Maximum Capacity with 1 inverter
- 61.440kWh, 6144Wh x 10
- AC Output
- 12kW, 120/240V, 60Hz Up to 36kW in 3 parallel units
- Maximum Capacity with 3 inverters
- 184.32kWh, 6144Wh x 30
- Net Weight (lb)
- Inverter: 34.5±0.2kg（70.06±0.44 lb） Battery: 50.5±0.2kg（111.3±0.44 lb）
- Dimension (mm)
- Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.)
- Battery Chemistry
- LFP
- Warranty
- 5 years
- Screen
- ✓
- AC Outlets
- NEMA 5-20 (x2) 120V 20A NEMA L14-30 (x1) 120/240V 30A NEMA 14-50 (x1) 120/240V 50A
- UPS
- <10ms standalone, <20ms with Smart Home Panel 3
- DC Input
- Total 10kW, 2 ports 80-500V/15A, 5000W Max Each
- Noise Level
- Noise level <30 dB at 0.5 m (ambient temperature 25 °C, 4 kW output)
- IP Rating
- IP54
- Battery Temperature
- Operating & Storage temp: −4°F to 113°F (−20°C to 45°C)
- Inverter Temperature
- Operating & Storage temp: −4°F to 122°F (−20°C to 50°C)