EF ECOFLOW DELTA Pro 3 Portable Power Station - 4096Wh LiFePO4 with 4000W Output & Expandable to 48kWh - EFD521

Energize almost everything with the EF ECOFLOW DELTA Pro 3 Portable Power Station. Supporting 120V/240V voltage with a 4000W output (6000W with X-Boost, scalable up to 12000W), it powers nearly all essential home appliances, such as a 3-ton central AC or a 1 HP water pump . With a 4096Wh LFP battery capacity, expandable to 48kWh with extra batteries or smart generators, you can forget fuel worries and enjoy 2-4 days of whole-home backup power .

Why Choose EF ECOFLOW DELTA Pro 3?

The DELTA Pro 3 is a pricey but versatile, highly expandable smart generator that offers several recharging methods and a wide assortment of power ports . With X-Quiet technology, it operates at a peaceful hum as low as 30 dB, ensuring undisturbed sleep even beside your bed . The ultra-fast 10 ms switch-over capability provides instant backup for your NAS systems, servers, and entertainment devices . Crafted with automotive-grade LFP cells and IP65-rated CTC battery pack technology, it safeguards battery health and extends lifespan, backed by a 5-year warranty .

Key Features

• Energize Almost Everything – Supports 120V/240V voltage with 4000W output (6000W with X-Boost, scalable up to 12000W). Powers nearly all essential home appliances, such as a 3-ton central AC or a 1 HP water pump .

• Forget Refueling – 4096Wh LFP battery capacity, expandable to 48kWh with extra batteries or smart generators. Provides 2-4 days of whole-home backup power. With 7 unique and 18 combo charging methods like AC wall outlets, solar panels, gas generators, EV charging piles, or the EcoFlow smart home panel 2 .

• Plug and Play – Hassle-free power that’s easy to set up, even a kid can manage it. No installation or maintenance required. Portable handle design makes it perfect for clean, renewable energy anywhere. Control and monitor with the EcoFlow app, even remotely .

• Silent as a Whisper – X-Quiet technology operates at a peaceful hum as low as 30 dB. Ensures undisturbed sleep even beside your bed. Perfect for both indoor and outdoor use .

• Uninterrupted Life – Ultra-fast 10 ms switch-over capability. Enjoy instant backup for your NAS systems, servers, and entertainment devices. Safeguards against power disruptions .

• Explore the Secure Feeling – Automotive-grade LFP cells and IP65-rated CTC battery pack technology. 4000 cycles to 80% capacity. 5-year warranty and exceptional customer service .

What’s Included

Complete power station kit including EcoFlow DELTA Pro 3. Assembly required.

Specifications