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Product description

1 EV-Grade CTC Structure

2 24/7 Battery Protection

3 Extreme-Env Resistance

4 Class B EMC Certification

1 Kitchen

2 Living Room

3 Office

4 RV Camping

5 Garage

1 UPS

2 X-Quiet

3 Built to Last

1 4 Ways of Charging

2 Multiple Outputs

3 APP Control

More Choices About DELTA Series

Add to Cart

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Add to Cart

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Customer Reviews

4.8 out of 5 stars 8

4.7 out of 5 stars 8

4.5 out of 5 stars 875

4.5 out of 5 stars 354

Price

$1,099.00$1,099.00

$1,499.00$1,499.00

$1,399.00$1,399.00

$2,299.00$2,299.00

Capacity

3072Wh

3072Wh

3600Wh

4096Wh

AC Output

3600W

3600W

3600W

4000W

X-Stream Fast Charging

✔

✔

✔

✔

Expandable Capacity

✘

✔

✔

✔

X-Fusion

✔

✔

✘

✔

Built to Handle It All. With 3600W continuous output (7200W surge) powered by X-Quiet 3.0 technology, DELTA 3 Ultra is ready for nearly all your essential appliances. From refrigerators and microwaves to heaters and power tools, this portable power station delivers reliable performance at home, in your RV, or off-grid.
<10ms UPS for Uninterrupted Backup. Never lose power when it matters most. DELTA 3 Ultra automatically switches to battery mode in under 10 milliseconds, keeping sensitive devices like PCs, Wi-Fi routers, and medical equipment running without interruption. No manual setup required—just instant peace of mind.
Silent as a Whisper. Enjoy quiet, dependable backup power at just 25dB under load. Thanks to advanced cooling design, DELTA 3 Ultra is whisper-quiet, making it ideal for overnight use, small apartments, and RVs where silence and comfort are key.
4 Ways to Charge Up. Stay flexible with four fast charging options: wall outlet, solar panels, car input, or EcoFlow Smart Generator. With EcoFlow’s X-Stream technology, DELTA 3 Ultra recharges quickly so you’re always prepared for power outages, road trips, or outdoor adventures.
Built to Last. Equipped with a durable LiFePO4 battery, DELTA 3 Ultra is built for 10 years of daily use. Its EV-grade CTC structure and 24/7 battery protection system ensure reliable performance in extreme heat, cold, or heavy loads—true resilience you can count on.