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EcoFlow · Power station · DELTA 3 Ultra

DELTA 3 Ultra

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. .

3,600W rated3,072WhRechargeable batteryListed available
Check EcoFlow price Official sale price $1,399.00
EcoFlow DELTA 3 Ultra Portable Power Station (3072Wh)
Official product image · EcoFlow

Infographic gallery

Output, stored energy, charging, and portability.

01 · Usable output

3,600W rated output

Battery3,600W / 7,200W

The comparison uses EcoFlow’s published rated and peak, surge, or maximum output figures.

02 · Energy & runtime

Listed capacity

3,072Wh

Published runtime guidance

Runtime depends on stored capacity and connected load

03 · Size & construction

32.7±0.6kg

Listed weight

625.99mm×327.71mm×394.95mm

Dimensions

Battery or engine
LFP(LiFePO4) battery system
Warranty
5-Year Warranty. *Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration
04 · Charging & continuity

Charging or integration

AC Input (Charge Only): 100-120V~15A 50/60Hz; Maximum PV Input Power(W): 800W

Backup transfer

<10ms

Noise

Quiet battery operation; fan noise varies by load

Official product gallery

Product views and factory feature graphics.

The current official image set for DELTA 3 Ultra includes product views, connection diagrams, feature explanations, and compatible system configurations where EcoFlow publishes them.

EcoFlow D3U Series EcoFlow DELTA 3 Ultra Series Portable Power Station
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Complete specifications

The complete factory data available for comparison.

These pages retain EcoFlow's model-specific output, charging, battery, port, continuity, dimensions, environmental, engine, fuel, app-control, and warranty fields where published.

Follow charging, storage, and installation guidance. Whole-home connections and transfer equipment should be installed according to EcoFlow instructions and applicable electrical codes.

Comparison summary

Battery output
3,600W rated / 7,200W peak or maximum
Stored energy
3,072Wh
Energy source
Rechargeable battery
Dimensions
625.99mm×327.71mm×394.95mm
Listed weight
32.7±0.6kg
Price and availability
$1,399.00 sale price; previously $1,599.00; available from EcoFlow

Factory output & connection specifications

Rated Capacity
3072Wh 51.2V 60Ah
AC Output
120V~60Hz 3600W total (surge 7200W), 20A(x4) Max per port, 30A(x1) Max per port
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

Factory charging & battery specifications

Cell Chemistry
LFP(LiFePO4)
Charge Temperature
0°C-45°C(32°F-113°F)
Discharge Temperature
-10 to 45°C(14°F-113°F)

Factory dimensions & operating specifications

Net Weight
32.7±0.6kg
Dimensions (HWD)
625.99mm×327.71mm×394.95mm
Optimal operating temperature
20°C to 30°C (68°F to 86°F)
Storage Temperature
-10 to 45°C(14°F-113°F)

Factory ownership, control & protection specifications

Warranty
5-Year Warranty. *Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration
UPS
<10ms

Additional factory specifications

X-Boost
4600W
Communication Method
Wi-Fi & Bluetooth
EMC
Class B

Official feature details

System capability

1. 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

Power and expansion

2. 3600W Powerful Output: 7200W surge output

Charging flexibility

3. 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

Battery and durability

4. 2 Easy Ways to Connect to Your Home: Manual Transfer Switch and Inlet Box

Controls and continuity

5. 10ms Auto-Switch: keep critical devices like NAS systems and servers running smoothly

Portability detail

6. 25dB Whisper-Quiet Operation: Ultra-low noise (≤25dB at 600W)

Compatibility note

8. Up to 5-Year Warranty: Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration

Best-fit uses

  • Home essentials
  • RV and camping
  • Power tools and appliances
  • Short outages

Standout features

  • 3,600W rated output
  • 7,200W peak or surge output
  • 3,072Wh listed capacity
  • LFP(LiFePO4)

Match capacity and output to your actual loads.

Use the independent calculator before choosing a battery system or generator.

Check my power plan
Sources: EcoFlow DELTA 3 UltraEcoFlow productsVerified September 15, 2026

Ownership resources

Accessories, manuals, and documents.

Start with the exact EcoFlow DELTA 3 Ultra model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.

Compatible accessories

Match by model and connection.

Verify exact fit

Solar charging equipment

Shop EcoFlow solar panels, charging leads, and adapters intended for its portable-power ecosystem.

Match the connector, solar input voltage, current limit, and maximum input published for DELTA 3 Ultra.
View official accessory options
Verify exact fit

Charging cables and adapters

Find vehicle, wall, USB, and model-specific charging accessories from EcoFlow.

Confirm the exact input port and electrical limits for DELTA 3 Ultra before ordering.
View official accessory options
Verify exact fit

Case, cart, or protective cover

Protective and mobility accessories can make storage and transport easier.

Check the listed dimensions and model fit for DELTA 3 Ultra; do not block cooling inlets or exhaust fans during operation.
View official accessory options

Manuals & PDFs

Official product materials.

Manuals and document lookupSupport pageSearch EcoFlow support materials using the complete model, item, or serial number.Official product pageProduct pageCurrent manufacturer overview, notices, specifications, downloads, and support links.

Compatibility note: Links lead to manufacturer or official retailer resources. Confirm the full model or item number, connector type, voltage, amperage, and published compatibility list before buying. Installation involving a home panel, inlet, transfer switch, or fuel plumbing should be handled as required by local code.