EcoFlow DELTA 3 (1500) Portable Power Station

” and “RIVER” as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.

EcoFlow DELTA 3 1500

Industry-leading portable power station with the fastest charging speed

Keep appliances running from outdoor activity to indoor home backup.

1.5kWh-5.5kWh Expandable Capacity

With the unique expandable capacity design, DELTA 3 1500 offers a large 1536Wh battery capacity, expandable to 5500Wh.Keeps your appliances running, for outdoor activity or as home backup. It’s flexible and on-demand energy.
*compatibility: DELTA 3 EB* 1kWh、DELTA 2 EB 1kWh、DELTA 2 Max EB 2kWh、 DELTA Pro 3 EB 4kWh

4 ways of industry-leading fast charging.

Faster than ever, so you’re always prepared.

AC Charging
Solar Charging
Car Charging
Multi-Charging

With EcoFlow’s X-Stream technology and 1500W AC input, DELTA 3 1500 charges from 0-100% in 90 minutes. You’re always prepared for a power outage or take a last-minute camping trip.

Power 99% appliances without fear of overloading.

1800W output (3600W surge) with EcoFlow X-Boost Tech up to 2400W

EcoFlow DELTA 3 1500 can power 99% of commonly used household or outdoor appliances, such as refrigerators, TVs, and computers.
With X-Boost, it can continuously power resistive appliances with power demands exceeding 2400W, such as ovens (2150W), hair dryers (1800W-2500W), and electric kettles (1200W-3000W).

Outdoors
RV
Home backup

Ensure reliable backup for specialized equipment with a 15 ms UPS.

Switchover is under 15 ms when the grid is down, allowing desktop computers, laptops, NAS servers, and 3D printers to instantly switch to battery supply, ensuring uninterrupted operation during a power outage.

35 dB ultra-quiet operation

Completely imperceptible under 600W, blending with natural ambient noise (35 dB). Inside a tent or indoors, it won’t disrupt sleep.

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

Triple protection from the inside out for guaranteed safety

LFP Battery
IP54 Battery Pack
BMS

Third-gen LiFePO4 (LFP) cells offer fast charging without sacrificing longevity. With 4000 cycles to 70% capacity, enjoy up to 10 years of reliable use, 25% above the industry standard.

What’s in the box?

EcoFlow DELTA 3 1500

AC Charging Cable

Manuals & Warranty Card

Specs

Dimensions

Approx. 400*212*282 mm

Net Weight

Approx. 16 kg

Capacity

1536Wh

Extra Battery

supporting D2M/D2/DP3/D3 Extra Battery(up to 5.5kWh)

Total Output Ports

13

AC Output

4*AC outlets, 230v, 1800W(surge3600W)

Max Device(s) Power (with X-Boost)

2400W

USB-A Output (Fast Charge)

2×18W Max

USB-C Output

2 ports, 100W Max

Car Power Output

1 * 12.6V, 10A, 126W MAX

DC5521 Output

2*12.6V, 3A MAX

AC Charging

1500W（1.5H）

Solar Charging

11V-60V 500W Max

Smart Generator Charging (1.8kW)

1500W

Car Charging

in 2H (800w)

Battery Chemistry

LFP

Cycle Life

70%+ capacity after 3000 cycles

Waterproof Level of Battery Pack

IP54

UPS

<15ms

Noise

600w <35db ; 1200w<45db

Warranty

5 years