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Product Overview
EcoFlow DELTA Pro Ultra is a modular backup power platform built for whole home use where reliability, runtime, and clean power output are critical. It combines a high power inverter with stackable battery capacity and flexible input options, including solar charging. Designed to scale from short interruptions to extended outages, it ensures stable power quality suitable for sensitive electronics and continuous operation beyond casual backup needs.
Why This Product Makes Sense
When a power outage occurs, the impact on everyday life quickly becomes clear: refrigeration stops, communication devices go offline, heating or cooling controls pause, and medical equipment risks interruption. In these moments, a system that lacks sufficient capacity or clean output becomes more than inconvenient—it can jeopardize safety and comfort.
The DELTA Pro Ultra addresses these challenges with a scalable design, offering capacity options from 6 kWh up to 90 kWh. This flexibility is important because power needs vary by household, season, and circumstance. Instead of a fixed runtime, this platform allows building a backup system tailored to your actual consumption patterns without needing to replace the entire setup as requirements grow.
Power output is equally critical. The DELTA Pro Ultra’s inverter delivers 7,200 watts of pure sine wave AC power at 120/240V and 60Hz, providing stable, clean energy that sensitive devices require to function correctly. This prevents nuisance shutdowns or erratic behavior often caused by inconsistent or lower-quality power sources.
For increased demands, multiple inverters can be combined with the EcoFlow Smart Home Panel 2, enabling up to 21.6 kW AC output. This phased approach means you can start with what fits your current needs and expand confidently as your load grows, avoiding costly repurchasing.
Solar input capabilities are clearly defined, avoiding vague claims common with other systems. The inverter supports high-voltage solar input between 80 and 450 volts up to 15 amps with a 4,000-watt maximum, and low-voltage input between 30 and 150 volts up to 15 amps with a 1,600-watt maximum. Overall solar input can range from 5.6 kW to 16.8 kW depending on configuration, enabling faster recharge of battery capacity when the sun is available—an important consideration for reducing reliance on grid power or generators.
The system’s design emphasizes controlled and repeatable connections, including a PV locking feature for secure solar array inputs. This reduces risks associated with loose or improvised wiring, ensuring stability and safety in daily operation.
Integration with the EcoFlow Smart Home Panel 2 supports predictable system behavior under varying loads. With compatibility for both portable and rooftop solar and load management across 12 circuits, this panel-based solution offers a cleaner, more organized backup approach than relying on separate, uncoordinated devices.
Multiple charging options ensure continuous readiness. The system accepts charging from solar, grid, generators, or EV chargers. The Smart Home Panel 2 supports up to 12 kW gas generator input, while the DELTA Pro Ultra itself can use these alongside solar and grid sources. This flexibility prevents running out of backup power during extended outages by enabling multiple ways to replenish energy reserves.
Power continuity matters for sensitive equipment. The DELTA Pro Ultra features UPS switchover times under 20 milliseconds for backup UPS and zero milliseconds for online UPS operation, preventing interruptions that can cause devices to reboot or malfunction.
The inverter’s noise level is rated at 30 decibels or less, supporting quiet operation that blends into the background of a home environment rather than drawing attention.
Battery longevity and advanced management are central to long-term value. The DELTA Pro Ultra battery uses lithium iron phosphate (LFP) cells paired with a sophisticated battery management system. It maintains over 80% state of health after 3,500 cycles at half charge/discharge rates at 77°F. This measurable cycle life provides clarity on durability instead of vague promises.
Designed for real-world conditions, the inverter and battery have operating temperature ranges from -4°F to 113°F and IP54 ratings for dust and water resistance. Maximum altitude is specified at 9,842 feet for the inverter. These specs ensure the system can perform dependably across varied climates and environments.
Communications and control options include Bluetooth, Wi-Fi, and 4G connectivity for the inverter, while the Smart Home Panel 2 adds Ethernet and app remote control. This provides clear visibility and management without unnecessary complexity, helping owners verify system status and make informed decisions.
Performance that powers through challenges is defined by its high output, expandable capacity, clear input limits, and published environmental tolerances. This platform reduces surprises often encountered with less capable systems and supports whole home backup with confidence.
What To Expect From It
Daily use of the DELTA Pro Ultra centers on steady, reliable performance rather than flashy features. Its pure sine wave output at 7,200 watts total (120/240V, 60Hz) mirrors utility-grade power, ensuring connected appliances and electronics operate as intended.
The system provides multiple DC and USB outputs for charging smaller devices, allowing flexible use of power without unnecessarily allocating AC capacity.
Charging inputs are thoughtfully specified: AC charging accepts 100–120V at 15A or 200–240V at 12.5A, while bypass mode has defined limits for smooth operation. Power input/output ranges reach up to 30A across voltage levels, highlighting the system’s role as a managed power platform rather than a simple battery pack.
Solar inputs follow clear voltage and current parameters, offering practical constraints that aid comparison and system design. The ability to scale solar input with multiple inverters supports expanding your energy sources as needed.
UPS specifications set expectations for switchover times, with backup UPS at under 20 milliseconds and online UPS at zero milliseconds, helping sensitive devices avoid resets during outages.
With noise levels capped at 30 decibels, the system runs quietly enough to remain unobtrusive within a home setting.
Technical Specifications
- Inverter net weight: 70 lb
- Inverter dimensions: 27.2 in x 18.9 in x 8.4 in
- Wi-Fi frequency range: 2.412-2.462 MHz / 2.422-2.452 MHz
- Wi-Fi max output power: 0.3597 W
- Bluetooth frequency range: 2.402-2.480 MHz
- Bluetooth max output power: 0.0109 W
- AC output (discharging): Pure Sine Wave, 7,200W total, 120V/240V, 60Hz
- AC output (bypass mode): 100-120V, 30A total, 50/60Hz
- USB ports: USB-A (x2) 5V ~ 2.4A, 12W max per port, 24W total; USB-C (x2) 5/9/12/15/20V ~ 5A, 100W max per port, 200W total
- DC output: 12.6V ~ 30A, 378W max
- AC input (charging): 100-120V ~ 15A, 200-240V ~ 12.5A, 50/60Hz
- AC input (bypass): 100-120V ~ 15A, 50/60Hz (Duration < 3 hrs when current > 12A)
- Power input/output: 100-120V ~ 30A, 200-240V ~ 30A, 50/60Hz
- High-PV input: 80-450V ~ 15A max, 4,000W max
- Low-PV input: 30-150V ~ 15A max, 1,600W max
- Temperature ranges (inverter): Discharging -4°F to 113°F; Charging -4°F to 113°F; Storage -4°F to 113°F (Optimum 68°F to 86°F)
- Maximum altitude (inverter): 9,842 ft
- IP rating (inverter): IP54
- Noise level (inverter): ≤30 dB
- UPS: Backup UPS <20 ms, Online UPS 0 ms
- Communication (inverter): Bluetooth, Wi-Fi, 4G
- EcoFlow Smart Home Panel 2 dimensions: Distribution Panel 24.8 in x 14.9 in x 6.7 in; Battery Connection Box 6.9 in x 14.4 in x 4.3 in; Combined 32.4 in x 14.9 in x 6.7 in
- EcoFlow Smart Home Panel 2 net weight: Distribution Panel 39.7 lb; Battery Connection Box 7.2 lb; Combined 52.9 lb
- EcoFlow Smart Home Panel 2 warranty: 10 Years
- EcoFlow Smart Home Panel 2 output voltage: 120V/240V
- EcoFlow Smart Home Panel 2 circuit breaker current: Max 60A
- EcoFlow Smart Home Panel 2 control: App Remote Control
- EcoFlow Smart Home Panel 2 wire diameter: 14-6 AWG
- EcoFlow Smart Home Panel 2 number of loads: 12
- EcoFlow Smart Home Panel 2 output wiring: L1/L2/N/PE
- EcoFlow Smart Home Panel 2 grid access input voltage: 120V/240V
- EcoFlow Smart Home Panel 2 grid input frequency: 60Hz
- EcoFlow Smart Home Panel 2 max grid input current: 100A
- EcoFlow Smart Home Panel 2 grid circuit breaker current: Max 100A
- EcoFlow Smart Home Panel 2 grid wire diameter: 4 AWG
- EcoFlow Smart Home Panel 2 max gas generator input: 12kW
- EcoFlow Smart Home Panel 2 generator circuit breaker current: Max 50A
- EcoFlow Smart Home Panel 2 generator wire diameter: 1 AWG
- EcoFlow Smart Home Panel 2 home backup input voltage: 120V/240V
- EcoFlow Smart Home Panel 2 home backup input frequency: 60Hz
- EcoFlow Smart Home Panel 2 max home backup input current: 30A (one battery)
- EcoFlow Smart Home Panel 2 max home backup input power: 7200W (one battery)
- EcoFlow Smart Home Panel 2 operating temperature: -22°F to 120°F
- EcoFlow Smart Home Panel 2 storage temperature: -40°F to 158°F
- EcoFlow Smart Home Panel 2 max operating altitude: 6561.6 ft
- EcoFlow Smart Home Panel 2 relative humidity: 100%
- EcoFlow Smart Home Panel 2 protection level: Distribution Panel NEMA 3R rainproof; Battery Connection Box NEMA 1
- EcoFlow Smart Home Panel 2 communication: Wi-Fi, Bluetooth, Ethernet
- Battery SKU: EFDeltaProUltra-BP-US
- Battery number of ports: 2 x Battery port
- Battery capacity: 102.4V⎓60A, 6,144Wh
- Battery cell material: LFP
- Battery cycle life: Maintains 80%+ SOH after 3,500 cycles at 0.5C/0.5C at 25°C (77°F)
- Battery ambient temperature: −4°F-113°F
- Battery IP rating: IP54
Warranty
Energy Systems Central Stores is an authorized retailer of EcoFlow products. Because of this, we pass on EcoFlow's manufacturer 3-Year warranty to you. The EcoFlow Smart Home Panel 2 warranty is listed as 10 years.