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. 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, 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 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