






EcoFlow DELTA Pro Ultra
The most powerful whole-home backup solution.
Month-long power security.
6-90kWh Capacity
Take home power dependability to another level with up to 90kWh battery capacity. For a standard household, that's over 30 days of essential backup power to keep appliances like lights and refrigerators running strong (time may vary). Stackable and space-saving, it packs comfortably into a garage or utility closet.
One unit covers every appliance.
7.2kW-21.6kW, 120V & 240V Output
With a 7.2kW output, EcoFlow DELTA Pro Ultra effortlessly runs even energy-hungry household items, like a 3-ton central air conditioner*. For more power, pair 3 inverters with the EcoFlow Smart Home Panel 2 to unlock a 21.6kW AC output. Plus, with X-Fusion you'll get a constant 7200W output no matter what.*
Powers through the most challenging situations.
EcoFlow DELTA Pro Ultra tackles even the most grueling conditions. Whether it's extreme weather or freezing winters, this giant safeguards your power security, just like usual.
What's in the box
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Technical Data
Capacity: 6144Wh, 102.4V⎓60A
Expanable Capacity (Single Unit): 30kWh (5 x DPU Battery)
AC Continuous Output: 7200W
Expanable Capacity(System*): 90kWh (15 x DPU Battery)
AC Surge Output: 10.8kW
Scalability(System*): 21.6kW
Battery Chemistry: LFP
IP Rating: IP54
Battery Cycle Life: 80% capacity after 3,500 cycles
UPS: Backup UPS <20 ms; Online UPS 0 ms
AC Output: Discharging: Pure sine, 7200W total, 120V/240V~ 60Hz. Bypass: 100-120V~30A total, 50Hz/60Hz
DC Output 12.6V⎓30A, 378W Max
AC Output Socket (Backup UPS)
2 x 120V, 20A Max per port
1 x 120V/240V, 30A Max
USB-A: 2 x 5V⎓2.4A, 12W Max per port, total 24W
AC Output Socket (Online UPS)
2 x 120V, 20A Max per port
1 x 120V, 30A Max
USB-C: 2 x 5/9/12/15/20V⎓5A, 100W Max per port, total 200W
AC Input
Charging: 100-120V~15A; 200-240V~12.5A, 50/60Hz
Bypass: 100-120V~15A, 50/60Hz (duration < 3hrs when the cuirrent exceeds 12A)
Solar Charging Input
Total 5600W, 2 ports
High-PV Input: 80-450V/15A, 4000W Max
Low-PV Input: 30-150V/15A, 1600W Max
Inverter Dimension
690 x 481 x 214 mm (27.2 x 18.9 x 8.4 in.)
Inverter Net Weight: 31.7 kg (70 lb)
Battery Dimension: 660 × 455 × 204 mm (26 × 18 × 8 in.)
Battery Net Weight: 50.7 kg (111.8 lb)
Warranty: 5-year warranty
Connection: Bluetooth & Wi-Fi & 4G
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
* System: Pair 3 inverters with the EcoFlow Smart Home Panel 2