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EcoFlow DELTA 3 Ultra 3072Wh Portable Power Station
by EcoFlow

EcoFlow DELTA 3 Ultra 3072Wh Portable Power Station

SKU: EFDELTA3U-US
Sold out
$1,378.99
$1,378.99 - $1,591.99
$1,378.99
$1,199.00
$1,199.00 - $1,383.99
$1,199.00
Availability:
Out of stock
Availability:
Out of stock
Bundle Options: DELTA 3 Ultra Portable Power Station

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5-Year Warranty

Off Grid Stores is an authorized retailer of EcoFlow products. Because of this, we pass on EcoFlow's manufacturer warranty to you.

Product Highlights
  • 4 Ways to Charge, Ready in Just 89 mins: Ready in Just 89 mins (0-80%) with wall charging or generator charging, and can achieve longer runtime with an EcoFlow Smart Generator.
  • 3600W Powerful Output: 7200W surge output. With X-Boost™ mode, supports heavy-duty appliances up to 4600W such as clothing steamers, electric dryers, lawnmowers, and electric frying pans.
  • Long-Lasting, Durable, and Reliable: Equipped with automotive-grade full-tab LFP cells, offering 10 years of reliable power, 24/7 protection BMS, Class-B certification, and EV-grade CTC structure that protects against overnight condensation and off-road bumps during transport.
  • 2 Easy Ways to Connect to Your Home: Manual Transfer Switch and Inlet Box.
  • 10ms Auto-Switch: keep critical devices like NAS systems and servers running smoothly.
  • 25dB Whisper-Quiet Operation: Ultra-low noise (≤25dB at 600W).
  • OASIS 3.0 Smart App Control: Dashboard to monitor real-time battery status, electricity prices, and savings. Storm Guard Mode automatically activates backup power before extreme weather hits. Self-Powered Mode and Scheduled Tasks save you money daily.
  • Up to 5-Year Warranty: Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration.
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EcoFlow DELTA 3 Ultra 3072Wh Portable Power Station

EcoFlow DELTA 3 Ultra 3072Wh Portable Power Station

3600W Output—Powerful. Stable. Built to Handle It All

EcoFlow DELTA 3 Ultra delivers 3600W rated-output, with X-Boost™ 3.0 technology, it supports devices up to 4600W—effortlessly handling heavy-duty appliances[2]. The inverter samples AC voltage and current every 33μs with high precision with a DSP chip, ensuring a pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.

Kitchen

Living Room

Laundry Room

Office

RV Camping

Garage

Go Hybrid—Extend Backup With a Smart Generator

Pair DELTA 3 Ultra with an EcoFlow Smart Generator to achieve longer runtime—automatically switching between fuel and battery to keep you powered through multi-day outages or off-grid adventures.

4 Ways to Charge Up — Ready in Just 1.48 Hrs

Remote charging control for added peace of mind.

Wall Charging

1800W Input, 0-80% in 1.48 hrs. EcoFlow’s exclusive Storm Guard Mode monitors severe weather alerts and automatically triggers AC charging remotely using industry-leading X-Stream fast charging tech—so it can be ready long before a disaster hits.

Generator Charging

With 1800W input, recharge to 80% in just 1.48 hrs. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up DELTA 3 Ultra for storms, outages, and off-grid living.


Solar Charging

800W Input, 0-80% in 3.37 hrs. Pair it with EcoFlow Solar Panels (25% high-efficiency) for reliable power during camping trips, van life, or off-grid living.

Alternator Charging

With the EcoFlow Alternator Charger, get ready fast while on the move.

 

Long-Lasting, Durable, Always Ready for Emergencies

Automotive-Grade Full-Tab LFP Cells

Rugged exterior and intelligent BMS for unmatched reliability

Built to Last

From battery chemistry to structural design, DELTA 3 Ultra is engineered for extreme durability, environmental resilience, and whisper-quiet performance.

Smart, 24/7 Battery Protection

EcoFlow’s advanced BMS uses a high-performance ARM Cortex chipset and intelligent algorithms to monitor your battery in real time. By tracking SOC, SOH, temperature, and more, it ensures peak performance, extended battery life, and worry-free operation.

EV-Grade CTC Structure

Built with a cell-to-chassis (CTC) structure, DELTA 3 Ultra is drop-resistant (0.2m) and shockproof —protecting against overnight condensation and off-road bumps during transport. You get stable power even in the most demanding conditions

Extreme Environment Resistance

DELTA 3 Ultra keeps your power flowing through freezing cold, scorching heat, humid environments (95% humidity tolerance), or coastal air—for reliable energy anytime, anywhere.

Class B EMC Certification

Certified to Class B EMC standards, it won’t interfere with TVs, Wi-Fi, or other home electronics.

 

Deeper Insights, Easier Control

Monitor your energy usage and solar generation—all with one intuitive dashboard. Set timed charging/discharging missions so that you can charge during off-peak hours and discharge during peak rate periods to save costs.

 

Specifications:

EcoFlow DELTA 3 Ultra 3072Wh Portable Power Station
Net Weight 32.7±0.6kg
Dimensions (HWD) 24.65 in × 12.90 in × 15.55 in
Rated Capacity 3072Wh 51.2V 60Ah
Cell Chemistry LFP(LiFePO4)
AC Output 120V~60Hz 3600W total (surge 7200W),
20A(x4) Max per port, 30A(x1) Max per port
X-Boost 4600W
USB-A Output USB-A(x1): 5V-3A/9V-2A/12V-1.5A, 18W Max
USB-C Output USB-C(x1): 5/9/12/15V-3A, 20V/28V--5A, 140W Max(HID)
USB-C(x2): 5/9V/12V/15V-3A 20V-2.25A, 45W Max per port, total 45W
Cigarette Lighter Output Port 12.6V, 10A, 126W Max
AC Input (Charge Only) 100-120V~15A 50/60Hz
Maximum PV Input Power(W) 800W
Optimal operating temperature 68°F to 86°F
Charge Temperature 32°F-113°F
Discharge Temperature 14°F-113°F
Storage Temperature 14°F-113°F
Communication Method Wi-Fi & Bluetooth
EMC Class B
UPS <10ms

PACKAGE INCLUDES

EcoFlow DELTA 3 Ultra 3072Wh Portable Power Station

EcoFlow DELTA 3 Ultra 3072Wh Portable Power Station

x 1

AC Charging Cable

x 1

User Manual & Warranty Card

x 1

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OTP graphic