Expandable Power Capacity
Scale your energy storage from 1kWh to 5kWh by connecting the DELTA 3 with compatible extra batteries, including DELTA 3 Extra Battery, DELTA Pro 3 Extra Battery, DELTA 2 Extra Battery, and DELTA 2 Max Extra Battery. Perfect for long-lasting backup power indoors, outdoors, or on the road.

Industry-Leading Fast Charging
With EcoFlow’s advanced X-Stream technology, the DELTA 3 Plus fully recharges in just 56 minutes with 1500W AC input. Even a quick 30-minute charge provides hours of emergency backup. Choose from five charging methods: AC, Solar, Car, Smart Generator, and Multi-Charging.

Powerful & Reliable Output
The DELTA 3 Series delivers 1800W AC output (3600W surge) and supports 99% of household appliances. With X-Boost, it powers devices up to 2400W, including refrigerators, ovens, hair dryers, kettles, and more. Ideal for home backup, RVs, camping, and professional use.

Compact & Ultra-Quiet Operation
Designed to fit seamlessly into any space, the DELTA 3 is lightweight, portable, and operates at just 30 dB under 600W load, blending into natural background noise. Whether indoors or outdoors, it won’t disrupt your environment.

Smart Energy Management
Equipped with EcoFlow Oasis intelligent system, DELTA 3 offers a 10 ms UPS function to keep sensitive equipment running without interruption during power outages.

Durable & Long-Lasting Battery
Powered by third-generation LiFePO4 (LFP) batteries, the DELTA 3 ensures up to 4000 cycles to 80% capacity, delivering up to 10 years of reliable use. Its IP65-rated battery pack and advanced BMS provide triple-layer safety protection.

Flexible Expansion
Expand your capacity as your needs grow. Achieve up to 5kWh runtime by pairing with additional EcoFlow batteries. Compact yet powerful, the DELTA 3 Extra Battery doubles your power without doubling the size.

Versatile Output Ports
With 11 total output ports, the DELTA 3 keeps all your devices powered simultaneously:

• 4 × AC Outlets (1800W, Surge 3600W)
• 2 × USB-A (Fast Charging)
• 2 × USB-C (Up to 100W/140W)
• 2 × DC5521 Outputs
• 1 × Car Power Port

Quiet Power for Every Situation
Whether powering your home, RV, camping gear, or work tools, the DELTA 3 ensures clean, quiet, and reliable energy—whenever and wherever you need it.

Peace of Mind Warranty
Enjoy long-term reliability backed by a 5-year warranty, ensuring dependable backup power for years to come.

Industry-leading portable power station with the fastest charging speed

5 ways of industry-leading fast charging.

Perfect for indoors, outdoors, or on the go.

1500W AC Input, Full Charge in 56 Minutes[1]

With EcoFlow's X-Stream technology and 1500W AC input, DELTA 3 Plus charges from 0-100% in 56 minutes. A 30-minute charge provides hours of emergency backup before a power outage.

Powerful output, imperceptible operation.

1800W output, 3600W surge beyond limits

EcoFlow DELTA 3 Series supports 99% of household devices, including refrigerators, TVs, and computers. Plus, with X-Boost, continuously power appliances over 2400W, such as ovens (2150W), hair dryers (1800-2500W), and kettles (1200-3000W). Perfect for home usage, RV, and outdoor usage, this solar battery ensures you're never left in the dark.

RV

Home Use

Outdoors

Professional work

Compact and portable design fits effortlessly in any space

Effortless to use, convenient to transport

30 dB ultra-quiet operation

Completely imperceptible under 600W, blending with natural ambient noise (30 dB).

Whether you're in a tent or at home, it won't disrupt sleep.

Peace of mind for backup power, convenient for daily use

An intelligent energy management system powered by EcoFlow Oasis

Ensure reliable backup for specialized equipment with a 10 ms UPS.[6]

Long-lasting and durable, ensuring reliable backup now and always.

Triple protection from the inside out for guaranteed safety

Third-gen LiFePO4 (LFP) cells offer fast charging without sacrificing longevity. With 4000 cycles to 80% capacity[7], enjoy up to 10 years of reliable use, 25% above the industry standard.

Flexible expansion for ultra long runtime.

Conveniently expandable up to 5kWh*.

*EcoFlow DELTA 3 Series are compatible with Extra Battery of DELTA 3, DELTA Pro 3, DELTA 2 Max, DELTA 2.

Same power, more compact. Achieve 2kWh capacity with EcoFlow DELTA 3 Extra Battery (1kWh), making it 1/3 smaller and lighter than the DELTA 2 power pack.

Comparison of DELTA 3 Series and DELTA 2

What's in the box

DELTA 3

DELTA 3 PLUS

Specs - DELTA 3 & DELTA 3 Plus

Colour/ID

DELTA 3 - Silver & Grey
DELTA 3 Plus - Silver

Capacity

1024Wh

Net Weight

≤12.5 kg

Dimensions

398×200×284 mm

D3 EB Dimensions

398×200×198 mm

App

Supported (TOU/Storm warning)

Extra Battery

Expandable capacity to 5kWh）

DELTA 2 Max/DELTA 2/DELTA Pro 3/DELTA 3 Extra Battery Supported

Total Output Ports

11

AC × 4

4 × 1800W (Surge 3600W)

Max Device(s) Power Supported by X-Boost

2400W

USB-A × 2 (Fast charging)

DELTA 3 - 2 × 18W Max
DELTA 3 Plus - 2 × 36W Max

USB-A × 2

/

USB-C × 2

DELTA 3 - 2 × 100W Max
DELTA 3 Plus - 2 × 140W Max

Car Power × 1

12.6V, 10A, 126W Max

DC5521 × 2

2 × 12.6V, 3A Max

AC

1500W (56 Min)

Solar

DELTA 3 - DC input 11V-60V1 × 500W Max (130 Min)
DELTA 3 Plus - DC input 11V-60V2 × 500W Max (70 Min)

Smart Generator

1500W (56 Min)

Car

800W (1.3 Hr)

AC+PV

1500W (56 Min)

Chemistry

LFP

Cycle Life

DELTA 3 - 4000 Cycles to 80% Capacity
DELTA 3 Plus - 4000 Cycles to 80%

Waterproof level of battery pack

IP65

UPS

DELTA 3 - <10 ms
DELTA 3 Plus - <10 ms HID

Volume

600W <30 dB

1200W <40 dB

Warranty

5 Years

Footnote:

[1-8] All the test results displayed on the page are based on our internal testing, subject to different conditions, including temperature variations, humidity levels, and equipment calibration standards. Please note that these results are provided for informational purposes only and should not be considered as conclusive evidence for all scenarios

* SGS data source: Analysis based on EcoFlow's internal test data of 1kWh mainstream power stations on the market and their official data. DELTA 3 Plus's fast and safe charging performance is certified with a 5-star rating by SGS. Data is current as of August 28, 2024.

* Download the EcoFlow PowerManager App (available 9/13) to activate the NAS support function on your computer, then install the NUT Server software (Linux/x86 available 9/30; Windows/Mac available 10/31) on your NAS system, connect your DELTA 3 Plus, and activate HID support.

* EcoFlow DELTA 3 Series are compatible with Extra Battery of DELTA 3, DELTA Pro 3, DELTA 2 Max, DELTA 2.