EcoFlow DELTA Pro Ultra - Whole-Home Backup System
EcoFlow DELTA Pro Ultra - Whole-Home Backup System The EcoFlow DELTA Pro Ultra is a next-generation whole-home backup power solution, offering unmatched scalability, fast recharge capabilities, and powerful output to meet your home's energy demands. With a 7200W output and up to 21.6kWh capacity per unit (expandable to 90kWh), this modular system supports heavy loads such as HVACs, refrigerators, and home electronics with ease. Whether you're living off-grid, preparing for outages, or investing in energy independence, the DELTA Pro Ultra is a powerhouse built for the future. EcoFlow DELTA Pro Ultra – Whole-Home Backup System Features 7200W Output with 120V/240V Split-Phase Delivers enough power for demanding appliances and whole-home operation, including electric ovens, AC units, and well pumps. Expandable up to 90kWh Capacity Start with one unit and scale up with additional batteries for longer runtimes and full-day home coverage. Fast Charging Options: Solar, AC, EV, and Generator Recharge via solar panels, wall outlets, EV stations, or gas generators—whichever suits your lifestyle and setup. Seamless Home Integration Pairs with EcoFlow Smart Home Panel 2 to automatically detect outages and instantly switch to backup power without interruption. Quiet and Safe Operation Runs silently indoors with advanced battery safety and thermal controls—no fumes, noise, or maintenance like gas generators. App Monitoring and Control Track real-time energy use, battery status, and charging settings through the EcoFlow app from anywhere. EcoFlow DELTA Pro Ultra – Whole-Home Backup System Applications Whole-home emergency backup - Keeps your lights, fridge, internet, and HVAC running during blackouts. Off-grid living - Supports long-term energy independence with solar recharging and high-capacity storage. Solar energy storage - Stores daytime solar for night use, reducing electricity bills and grid reliance. Mobile power for RVs or cabins - Provides powerful and silent backup for remote setups or traveling. Smart home energy management - Integrates with EcoFlow Smart Home Panel for smart load prioritization and seamless switching. What's Included Everything you need is included with your product. DELTA Pro Ultra Inverter Box 1 x DELTA Pro Ultra Inverter (70 lbs) 1 x Portable Stand + 4 x Wheels 1 x Assembly/Disassembly Tool 1 x Solar Low-PV Charging Cable 1 x AC Charging Cable C-20 1 x Quick-Start Guide 1 x Warranty Card DELTA Pro Ultra Battery Box 1 x DELTA Pro Ultra Battery (116 lbs) 1 x Inverter/Battery Connection Cable 1 x Safety Guide Smart Home Panel 2 1 x EcoFlow Smart Home Panel 2 (glass door and deadfront cover packaged separately) 1 x Marking-off Template 1 x EcoFlow Power Input/Output Cable* *Two Power Input/Output Cables are included with two inverter purchases, and three Power Input/Output Cables are included with three inverter purchases. EcoFlow DELTA Pro Ultra - Whole-Home Backup System Specifications EcoFlow DELTA Pro Ultra Specifications Category Specifications Model EFYJ751-PCS-US Net Weight 31.7 kg | 69.9 lbs Dimensions 690 × 481 × 214 mm | 27.2 × 18.9 × 8.4 in Wi-Fi Frequency range: 2,412-2,462MHz | 2,422-2,452MHzMaximum output power: 0.3597W Bluetooth Frequency range: 2,402-2,480MHz Maximum output power: 0.0109W 4G Modem Port Supported with the EcoFlow 4G Dongle Screen Supported Grid-Tied Unsupported Maximum Operating Altitude 3000m | 9842.5ft IP Protection Rating IP54 Noise Level <30 dB Uninterrupted Power Supply (UPS) Backup UPS <20 ms; online UPS 0 ms Operating Temperature Discharging temperature: −20°C to 45°C (−4°F to 113°F)Charging temperature: −20°C to 45°C (−4°F to 113°F)Storage temperature: −20°C to 45°C (−4°F to 113°F)Optimum temperature: −20°C to 45°C(68°C to 86°F)) DELTA Pro Ultra Inverter Output Specifications Category Specifications AC Output Discharging: Pure sine, 7200W Max, 120V/240V~ 60HzBypass: 100-120V~30A total, 50Hz/60Hz, 3600W Max AC Output Ports (20A) 4 x AC Output Sockets: 120V, 20A Max Per Port AC Output Ports (30A) 1 x AC Output Socket: 120V, 30A Max 1 x NEMA L14-30 120/240V Split Phase Port USB Ports 2 x USB-A: 5V⎓2.4A, 12W max per port, total 24W2 x USB-C: 5/9/12/15/20V⎓5A100W max per port, total 200W DC Output 1 x DC Port: 12.6V⎓30A, 378W Max Anderson DC Port 1 x Anderson DC Output Port: 12.6V, 30A, 378W Max Input/Output Port (Infinity Port) 1 x Power Input/Output Port: 100-120V, 30A; Serves as both an AC input (for charging) and output (for connecting to the Smart Home Panel 2 or EV Charger) DELTA Pro Ultra Inverter Input Specifications Category Specifications AC Input Charging: 100-120V~15A; 200-240V~12.5A, 50/60Hz Bypass: 100-120V~15A, 50/60Hz (duration < 3hrs when the current exceeds 12A) Power Input/Output (Infinity Port) 100-120~30A; 200-240V~30A, 50/60Hz High Photovoltaic (PV) Input 80-450V⎓15A max, 4,000W max Low Photovoltaic (PV) Input 30-150V⎓15A max, 1,600W max Standby Power Consumption <12W DELTA Pro Ultra Battery Specifications Category Specifications Model EFYJ751-BP Net Weight 52.7 kg | 116.4 lbs Dimensions 660 × 455 × 204 mm | 26 × 18 × 8 in Capacity 102.4V⎓60A, 6,144Wh Cell Material LFP Cycle Life The battery maintains 80%+ SOH (state of health) after 3,500 cycles at 0.5C/0.5C at 25°C (77°F) Protection Type Overvoltage protection, overload protection, overtemperature protection, short circuit protection, low temperature protection, low voltage protection, overcurrent protection Operating Temperature Discharging temp: −20°C to 45°C (−4°F to 113°F) Charging temp: −20°C to 45°C (−4°F to 113°F) Storage temp: −20°C to 45°C (−4°F to 113°F) (optimum: −20°C to 45°C(68°F to 86°F)) Maximum Operating Altitude 3000m | 9842.5ft IP Protection Rating IP54 DELTA Pro Ultra & Smart Home Panel 2 Instructional Videos Frequently-Asked Questions How much power can the DELTA Pro Ultra provide? The base system delivers 6kW of output, but it can expand up to 21.6kW by adding more units in parallel. Can this system run my entire home? Yes, when configured with multiple inverters and batteries, the DELTA Pro Ultra can power home circuits, HVAC systems, and high-energy appliances. How long does the battery last? The LiFePO4 battery is rated for 3,500+ charge cycles, which means over 10 years of daily use. Can I charge it with solar panels? Yes! The DELTA Pro Ultra supports up to 16.8kW of solar input, making it perfect for off-grid setups. Is the installation complicated? The system is designed for easy integration with home electrical panels. A licensed electrician is recommended for whole-home installations. EcoFlow DELTA Pro Ultra Manual & Downloads EcoFlow DELTA Pro Ultra Manual EcoFlow DELTA Pro Ultra Brochure EcoFlow DELTA Pro Ultra Quick-Start Guide How Many EcoFlow Solar Panels Can I Connect To DELTA Pro Ultra? DELTA Pro Ultra LCD Icon List .page_crafter_heading_para_container-zQvIHEWR4s { text-align: null; } .page_crafter_heading-zQvIHEWR4s { color: #000; text-align: null; font-size: null; color: #000 !important; } .page_crafter_para-zQvIHEWR4s { color: #000; font-size: ; text-align: null; color: #000 !important; } #HEADING_PARA-zQvIHEWR4s { margin-bottom: 10px; } .page_crafter_media-HLRoeRrJ1f { height: null; width: null; } .page_crafter_media_container-HLRoeRrJ1f { text-align: null; } #MEDIA-HLRoeRrJ1f { margin-bottom: 10px; } .page_crafter_two_column_grid-jUXbAdTv62 { align-items: center; } .page_crafter_two_column_heading-jUXbAdTv62 { color: #000; text-align: left; font-size: null; color: #000 !important; } .page_crafter_grid_plain_text-jUXbAdTv62 { color: #000; font-size: ; text-align: left; color: #000 !important; } .page_crafter_grid_media-jUXbAdTv62 { height: null; width: null; } .page_crafter_grid_media_container-jUXbAdTv62 { text-align: null; order: -1; } .page_crafter_two_column_button-jUXbAdTv62 { background-color: #000; color: #fff; font-size: 16px; color: #fff !important; } #TWO_COLUMN_GRID-jUXbAdTv62 { margin-bottom: 10px; } .page_crafter_two_column_grid-VkaMPmaO2S { align-items: center; } .page_crafter_two_column_heading-VkaMPmaO2S { color: #000; text-align: left; font-size: null; color: #000 !important; } .page_crafter_grid_plain_text-VkaMPmaO2S { color: #000; font-size: ; text-align: left; color: #000 !important; } .page_crafter_grid_media-VkaMPmaO2S { height: null; width: null; } .page_crafter_grid_media_container-VkaMPmaO2S { text-align: null; order: 1; } .page_crafter_two_column_button-VkaMPmaO2S { background-color: #000; color: #fff; font-size: 16px; color: #fff !important; } #TWO_COLUMN_GRID-VkaMPmaO2S { margin-bottom: 10px; } .page_crafter_whats_included_container-l0p4L3VjZq { background-color: #0e1b4d; } .page_crafter_whats_included_heading-l0p4L3VjZq { color: #fff; text-align: center; font-size: null; color: #fff !important; } .page_crafter_whats_included_text-l0p4L3VjZq { color: #fff; font-size: ; text-align: center; color: #fff !important; } .page_crafter_whats_included_column_1_text-l0p4L3VjZq { color: #fff; font-size: ; text-align: left; color: #fff !important; } .page_crafter_whats_included_column_2_text-l0p4L3VjZq { color: #fff; font-size: ; text-align: left; color: #fff !important; } #WHATS_INCLUDED-l0p4L3VjZq { margin-bottom: 10px; } .page_crafter_heading-fIw5yF4RrV { color: #000; text-align: left; font-size: null; color: #000 !important; } #HEADING-fIw5yF4RrV { margin-bottom: 10px; } .page_crafter_heading-vOi8cmeZhI { color: #000; text-align: left; font-size: 10px; color: #000 !important; } #HEADING-vOi8cmeZhI { margin-bottom: 10px; } #TABLE-FViDDxVgLf { margin-bottom: 10px; } .page_crafter_heading-1h9ELktMXO { color: #000; text-align: left; font-size: 10px; color: #000 !important; } #HEADING-1h9ELktMXO { margin-bottom: 10px; } #TABLE-w8Ra9xxzVW { margin-bottom: 10px; } .page_crafter_heading-GVDJXLDgJ7 { color: #000; text-align: left; font-size: 10px; color: #000 !important; } #HEADING-GVDJXLDgJ7 { margin-bottom: 10px; } #TABLE-bXP5suk7hk { margin-bottom: 10px; } .page_crafter_heading-vs7EMXnuVt { color: #000; text-align: left; font-size: 10px; color: #000 !important; } #HEADING-vs7EMXnuVt { margin-bottom: 10px; } #TABLE-m5Q8y8fXTF { margin-bottom: 10px; } .page_crafter_heading-hnVrxgMRUR { color: #000; text-align: left; font-size: null; color: #000 !important; } #HEADING-hnVrxgMRUR { margin-bottom: 10px; } .page_crafter_heading_para_container-H6yqLbEiir { text-align: null; } .page_crafter_heading-H6yqLbEiir { color: #000; text-align: null; font-size: null; color: #000 !important; } .page_crafter_para-H6yqLbEiir { color: #000; font-size: ; text-align: null; color: #000 !important; } #HEADING_PARA-H6yqLbEiir { margin-bottom: 10px; } .page_crafter_heading_para_container-T5MVWzrwNI { text-align: null; } .page_crafter_heading-T5MVWzrwNI { color: #000; text-align: null; font-size: null; color: #000 !important; } .page_crafter_para-T5MVWzrwNI { color: #000; font-size: ; text-align: null; color: #000 !important; } #HEADING_PARA-T5MVWzrwNI { margin-bottom: 10px; } @media (max-width: 798px) { #HEADING_PARA-zQvIHEWR4s { } #MEDIA-HLRoeRrJ1f { } #TWO_COLUMN_GRID-jUXbAdTv62 { } #TWO_COLUMN_GRID-VkaMPmaO2S { } #WHATS_INCLUDED-l0p4L3VjZq { } #HEADING-fIw5yF4RrV { } #HEADING-vOi8cmeZhI { } #TABLE-FViDDxVgLf { } #HEADING-1h9ELktMXO { } #TABLE-w8Ra9xxzVW { } #HEADING-GVDJXLDgJ7 { } #TABLE-bXP5suk7hk { } #HEADING-vs7EMXnuVt { } #TABLE-m5Q8y8fXTF { } #HEADING-hnVrxgMRUR { } #HEADING_PARA-H6yqLbEiir { } #HEADING_PARA-T5MVWzrwNI { } }