Keep appliances running from outdoor activity to indoor home backup.

Key Features

1.5kWh-5.5kWh Expandable Capacity

With the unique expandable capacity design, DELTA 3 1500 offers a large 1536Wh battery capacity, expandable to 5500Wh. It 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.
Charge from AC, Solar Panels (Not included), Car or use Multi-Charging option.
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 2200W
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 2200W, such as ovens (2150W), hair dryers (1800W-2500W), and electric kettles (1200W-3000W).

Ensure reliable backup for specialised 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

Specifications
Net Weight: Approx. 16 kg
Dimensions (W x D x H): Approx. 213 × 398 × 281.5 mm
Wi-Fi, Bluetooth
Total Output Ports: 13
UPS: <15ms
Max Device(s) Power (with X-Boost): 2400W
Noise: 600w <35db ; 1200w<45db
Outputs:
AC Output Port (Discharge Only): 4 ports, pure sine wave, total 1800W, surge 3600W, 230V, 15A
DC Output Port (USB-A):  5V⎓2.4A, 12W Max x 2 ports
DC Output Port (USB-A): Fast Charge: 5V⎓2.4A / 9V⎓2A / 12V⎓1.5A, 18W Max x 2 ports
DC Output Port (USB-C):  5V / 9V / 12V / 15V⎓3A Max, 20V⎓5A Max, 100W Max x 2 ports
12V DC Output Port: Total 126W; DC5521: 12.6V⎓3A / 3A, 2 ports; Cigarette Lighter: 12.6V⎓10A
Inputs:
AC Input Socket: 220-240V～10A (50Hz/60Hz)
DC Input Port (XT60)
Solar Input: 11-60V⎓15A, 500W Max; Car Input: 12V⎓8A Max
AC Charging: 1500W（1.5H）
Solar Charging: 11V-60V 500W Max
Smart Generator Charging (1.8kW): 1500W
Car Charging: in 2h (800w - with the EcoFlow Alternator Charger)
Battery
Rated Capacity: 1536Wh (51.2V⎓30Ah)
Extra Battery: supporting D2M/D2/DP3/D3 Extra Battery (up to 5.5kWh)
Cell Chemistry: LFP (LiFePO₄)
Cycle Life: 70%+ capacity after 3000 cycles
Waterproof Level of Battery Pack: IP54
Environment Temperature   
Optimal Operating Temperature: 20°C-30°C
Charge Temperature : 0°C-45°C
Discharge Temperature: –10°C to 45°C
Storage Temperature: –10°C to 45°C (optimal: 20°C to 30°C)

What's in the box?
EcoFlow DELTA 3 1500
AC Charging Cable
Manuals & Warranty Card