EcoFlow DELTA 3 Max Series

– Industry-leading 3000W AC output, 6000W surge output

– Industry-First Full-Tab LFP Cells, exclusive smart BMS with 24/7 protection

– 5 fast recharging methods: AC, Solar, Alternator Charger, Smart Generator, and Multi-charging

– <10 ms UPS Auto-Switch

– Intelligent energy management system

– Expandable 2-10 kWh capacity with DELTA 3 Max Plus Extra Battery, DELTA 3 Extra Battery, DELTA Pro 3 Extra Battery, or DELTA 2 Max Smart Extra Battery.

Always Ready. More Power.

Industry-First 2kWh Solar Battery with Max 3000W Output (DELTA 3 Max Plus)

25% More Power: 3000W Output, 2kWh Capacity

A New Era of Power Performance

Next-level energy for next-level peace of mind.

All Your Essentials. All at Once.

DELTA 3 Max Plus delivers a powerful 3000W output—enough to run your microwave, kettle, fridge, and blender all at once without a flicker. Lunchtime? Go full throttle. No unplugging, no interruptions—just seamless power.

Automotive-grade full-tab LFP cells

Long-Lasting, Durable, Always Ready for Emergencies

Rugged exterior and intelligent BMS for unmatched reliability

Automotive-grade Full-Tab LFP Cells: Next-Level Battery Reliability

DELTA 3 Max Plus is equipped with automotive-grade full-tab LFP cells. The full-tab design reduces resistance, enhances efficiency and safety, and provides higher capacity with less heat, resulting in a longer battery lifespan.

Unrivaled Balance for Unmatched Battery Longevity

With 27% fewer cells per kWh, [7] our 16-cell design runs cooler, lasts longer, and delivers greater stability. Each cell is rigorously tested for capacity, voltage, and internal resistance—resulting in a highly uniform pack that protects against overcharging, imbalance, and premature wear.

Built to Last

From battery chemistry to structural design, DELTA 3 Max Plus is engineered for extreme durability, environmental resilience, and whisper-quiet performance—delivering power you can count on for over 10 years. [2]

Ultra-versatile 5 charging options, 47-minute fast charge

A New Level of Fast

Remote charging control for added peace of mind.

2–10kWh expandable capacity

Easily Scales Up—From Hours to Days

Deeper Insights, Easier Control

Monitor your energy usage, savings, and solar generation—all with one intuitive dashboard. Easily track battery status, solar forecasts, real-time electricity rates, and financial savings.

Cut Costs, Not Comfort

Charge During Low-Cost Periods to Save Big

DELTA 3 Max Plus intelligently optimizes energy usage to help lower your electricity bills while powering your home sustainably. Set automated tasks to charge during off-peak evening hours and discharge during the day.

3000W Output, 6000W Surge — Powerful. Stable. Built to Handle It All.

DELTA 3 Max Plus delivers 3000W AC rated output (6000W surge). With X-Boost™ 3.0 technology, it supports devices up to 3900W—effortlessly taking on your heavy-duty appliances. The inverter samples AC voltage and current every 33μs with high precision using a DSP chip, ensuring pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.

Kitchen

Living Room

RV Camping

Office

Garage

Laundry Room

Kitchen

Living Room

RV Camping

Office

Garage

Laundry Room

5 Ways to Charge Up — Ready in Just 47 Mins

AC Charging

Solar Charging

Alternator Charger

Generator Charger

Solar + Alternator Dual Charging

AC Charging

Solar Charging

Alternator Charger

Generator Charger

Solar + Alternator Dual Charging

Half-Day Power Usage

1-Day Power Usage

2-Day Power Usage

3-Day Power Usage

Half-Day Power Usage

1-Day Power Usage

2-Day Power Usage

3-Day Power Usage

Compact, Portable, Lighter than Ever – Works Anywhere

Lightweight and easy to carry, DELTA 3 Max fits into any setting from home to the great outdoors. Weighing just 20.3 kg, it’s 13% lighter for effortless portability while still packing serious power.

What’s in the Box

Delta 3 Max

Delta 3 Max Plus

Delta 3 Max

Delta 3 Max Plus

Specs

Capacity

2048Wh

Net Weight

DELTA 3 Max – Approx. 20.3 kg
DELTA 3 Max Plus – Approx. 22.1 kg

Dimensions

DELTA 3 Max – 494 × 239 × 305 mm
DELTA 3 Max Plus – 494 × 242 × 305 mm

Total Output Ports

DELTA 3 Max – 9
DELTA 3 Max Plus – 10

Number of AC Outlets

Output Priority

DELTA 3 Max – NO
DELTA 3 Max Plus – YES

Max AC Output

DELTA 3 Max – 2400W
DELTA 3 Max Plus – 3000W

Surge Output

DELTA 3 Max – 4800W
DELTA 3 Max Plus – 6000W

Max Output by X-Boost

DELTA 3 Max – 3200W
DELTA 3 Max Plus – 3900W

X-Fusion

DELTA 3 Max – NO
DELTA 3 Max Plus – YES

USB-A

1 × 18W Max

USB-C

DELTA 3 Max – 1 × 100W Max(HID); 2 × 30W Max(Total 30W)
DELTA 3 Max Plus – 1 × 140W Max(HID); 2 × 45W Max(Total 45W)

12V DC Output

DELTA 3 Max – 126W Max; Car Power Output × 1:12.6V⎓10A
DELTA 3 Max Plus – 378W Max; Car Power Output × 1:12.6V⎓10A; Anderson Output × 1:12.6V⎓30A

AC Charging

2300W (68 min)

Solar Charging

DELTA 3 Max – 500W
DELTA 3 Max Plus – 1000W

Car Charging

12V/24V⎓8A

Battery Chemistry

LFP

Number of Extra Battery Ports

DELTA 3 Max – NO
DELTA 3 Max Plus – 1 (expandable to 2)

Type of Extra Battery Ports

DELTA 3 Max – NO
DELTA 3 Max Plus – 4+8

Compatible Extra Battery

DELTA 3 Max – NO
DELTA 3 Max Plus – DELTA 2 Max/DELTA 3 Max Plus/DELTA Pro 3/DELTA 3 Extra Battery

Max Capacity with Extra Battery

DELTA 3 Max – NO
DELTA 3 Max Plus – Up to 10kWh

UPS

DELTA 3 Max – 10ms
DELTA 3 Max Plus – 10ms + HID

Wi-Fi

YES

Bluetooth

YES

App

YES

Warranty

3+2 years (Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration)

Noise

600W ≤ 25dB

Operating Altitude

≤3000m

Discharge Temperature

-10 to 45°C

Charge Temperature

0-45℃

Storage Temperature

-10 to 45°C

Generator Charging

2400W Max

Alternator Charging

DELTA 3 Max – 500W Max (Through XT60 Port)
DELTA 3 Max Plus – 1000W Max (Through 4+8 Port)

BLADE

Delta Series

Power Kits

River Series

Solar Generators

Solar Panels

EcoFlow DELTA 3 Max Series

Always Ready. More Power.

25% More Power: 3000W Output, 2kWh Capacity

All Your Essentials. All at Once.

Automotive-grade full-tab LFP cells

Automotive-grade Full-Tab LFP Cells: Next-Level Battery Reliability

Unrivaled Balance for Unmatched Battery Longevity

Built to Last

Ultra-versatile 5 charging options, 47-minute fast charge

2–10kWh expandable capacity

Deeper Insights, Easier Control

Cut Costs, Not Comfort

3000W Output, 6000W Surge — Powerful. Stable. Built to Handle It All.

5 Ways to Charge Up — Ready in Just 47 Mins

Compact, Portable, Lighter than Ever – Works Anywhere

What’s in the Box

Specs

Recommended

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