Over 12,000 Units installed in U.S. households
EcoFlow DELTA Pro Ultra is a whole-home energy system designed to grow with your family. Integrated with the Smart Home Panel 2, it scales to meet your evolving energy needs - keeping your home powered, intelligent, and secure through every stage of life.
Get the Highlights
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.*
One hour of solar for one day of power.
5.6kW-16.8kW Solar Input
By leveraging High and Low-PV technologies, a single inverter sets new portable solar input standards with a 5.6kW input*. Connect three inverters for a monumental 16.8kW, gaining a full day's home energy in 60 minutes. Whether you prefer a portable setup or a rooftop solar system, you can achieve true energy independence.
Always in charge
With a Generator or EV pile
You're spoilt for choice with EcoFlow DELTA Pro Ultra's charging options. As well as all our usual methods, like solar and the grid, you can now power up using a gas generator or even your EV charging pile. With the industry's fastest charging speeds of 8800W, top up two batteries in only 2 hours.
You won't even notice the grid was down.
0-ms Downtime, 0 dB Silent Backup
Imagine a world where power outages go unnoticed. With EcoFlow DELTA Pro Ultra's online UPS, you'll get just that. With uninterrupted power flow, EcoFlow DELTA Pro Ultra safeguards your vulnerable electronic equipment round-the-clock. For extended outages, you don't want to hear your backup in the background, so for low draws under 2000W*, it's completely silent. With a whisper-quiet 0 dB, your nights remain undisturbed as it powers your devices.*For a maximum of 30 minutes.
Peace Of Mind With An Advanced Design.
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.
Operating temperatures: -4℉ to 113℉
290V high voltage tolerance
IP54 dustproof and splashproof
What's in the box
Specs
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
Frequently Asked Questions
Terms & Conditions
Promotion Period
The EcoFlow Prime Day Sale promotion (hereinafter referred to as the 'Promotion Period') begins at 12:00 AM PDT on June 8, 2026, and ends at 11:59 PM PDT on July 3, 2026.
Installation Discount
A. Valid from 12:00 AM PDT on June 8, 2026, to 11:59 PM PDT on July 3, 2026.
B. Customers purchasing Smart Home Panel 3 are eligible for an automatic $900 discount on installation services related to Smart Home Panel 3 on https://us.ecoflow.com/. The discount will be applied automatically at checkout.
C. This Installation Discount is non-stackable with other discounts.
D. Installation Service Scope
VIP Customer Service: VIP support for installation and usage inquiries.
Professional Installation Service: 4-step professional installation process
Installation Service Fee Coverage: The standard Installation Service Fee ONLY covers the installation labor costs. For more installation information, refer to our Installation T&C
Free Sub Panel Removal: We'll remove your existing sub panel at no extra charge.
E. Installation fees are calculated based on the installation ZIP code. Pricing may vary by region and will be reflected at checkout.