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Find everything you need for your Tiny Home or Small Space
Find everything you need for your Tiny Home or Small Space

EcoFlow DELTA Pro Ultra Battery Pack

by EcoFlow
SKU EFDeltaProUltra-BP-US
Original price $2,999.00 - Original price $2,999.00
Original price
$2,999.00 - $2,999.00
Current price $2,999.00

In Store & Ready to Ship

All orders are shipped within 1-2 business days. Proudct ETA 5-7 business days.

The EcoFlow DELTA Pro Ultra is the ultimate residential power backup solution, designed to provide unparalleled energy security for extended outages and daily use. With its exceptional capacity, high output, and versatile charging options, it ensures your home remains powered under any circumstances.

Key Features:

  • Expandable Capacity: Increase the capacity of the DELTA Pro Ultra by an extra 6kWh. For those with three or more battery packs, contact customer service to claim the EcoFlow Fixing Metal Tab, essential for securely stacking your battery packs.

  • Powerful Whole-Home Backup: The DELTA Pro Ultra offers a massive 6kWh capacity and a 7200W output, capable of running your entire home. With a 5.6kW solar input, it provides sustainable energy solutions. Using the EcoFlow Smart Home Panel 2, experience seamless power backup with automatic switch-over, energy consumption monitoring, and reduced electricity bills. Its stackable design allows for easy expansion of storage and output.

  • Extended Power Security: With capacities ranging from 6kWh to 90kWh, the DELTA Pro Ultra can provide up to 30 days of essential backup power for a standard household, keeping appliances like lights and refrigerators operational. Its stackable and space-saving design fits comfortably into a garage or utility closet.

  • Comprehensive Appliance Coverage: With a 7.2kW output, the DELTA Pro Ultra can handle even the most energy-hungry appliances, such as a 3-ton central air conditioner. Pair three inverters with the EcoFlow Smart Home Panel 2 to achieve a 21.6kW AC output. The X-Fusion technology ensures a constant 7200W output regardless of the load.

  • Versatile Charging Options: The DELTA Pro Ultra can be charged using a gas generator or an EV charging pile, in addition to traditional methods like solar and the grid. With industry-leading charging speeds of 8800W, two batteries can be fully charged in just 2 hours.

  • Uninterrupted Power Supply (UPS): The DELTA Pro Ultra's online UPS ensures zero downtime during power outages, protecting your sensitive electronic equipment. For low power draws under 2000W, it operates silently at 0 dB for up to 30 minutes, ensuring a peaceful environment.

  • Advanced Monitoring and Control: Stay informed and in control with the EcoFlow app. Monitor battery status, energy consumption, and charging data from anywhere, ensuring optimal performance and energy management.

The EcoFlow DELTA Pro Ultra is designed to meet all your power needs with exceptional reliability and efficiency. Its expandable capacity, robust output, and advanced features make it the most powerful and versatile home backup solution available. Whether for emergencies, daily use, or sustainable living, the DELTA Pro Ultra ensures your home is always powered.


  • One-Month Backup: Offers 6kWh capacity for up to two days of backup, expandable to 90kWh for a full month of coverage.
  • Space-Saving: Stackable design ensures neat and mess-free storage.
  • One-Minute Setup: Quick and easy plug-and-play installation, ready in just one minute.


Dimensions 26×18×8 in (including mat)
Net Weight Capacity 6144Wh, 102.4V
Grid Tied Unsupported
Standby Power Consumption <12W
Maximum Operating Altitude 9842.5 ft
Warranty 5 Years
Battery Capacity 6144Wh, 102.4V, 32S3P
Battery Chemistry LFP
Cell Specs 20Ah, 3.2V
Cell Efficiency AC full loading ≥95%
Operating Temperature (Charging) –4°F-113°F (Self-heating below 32°F)
Operating Temperature (Discharging) –4°F-113°F
Battery Heating Yes (automatically start below –4°F)
Cycle Life 3500 cycles to 80%+ capacity
Battery Balance Automatic control of charge/discharge limits
Protection Over Temperature, Low Temperature, Over Voltage, Low Voltage, Overload, Short Circuit, Overcurrent


Owner's Manual

Manual - EcoFlow DELTA Pro Ultra Battery