EcoFlow DELTA Pro 3 Portable Power Station 4000W 4096Wh (EFDELTAPRO3UK-CBox)

EcoFlow DELTA Pro 3 Portable Power Station EFDELTAPRO3UK-CBOX is a next-generation, high-capacity power solution engineered for whole-home backup, professional applications, and off-grid energy independence. With a massive 4096Wh LiFePO4 battery and powerful 4000W AC output, it can run heavy-duty appliances such as air conditioners, washing machines, and power tools with ease. Featuring ultra-fast multi-charging, expandable capacity, and intelligent energy management, this premium power station delivers reliable, scalable, and uninterrupted power for homes, businesses, and outdoor use.

Product Features

Massive 4096Wh Capacity for Whole-Home Backup

Delivers large-scale energy storage capable of powering essential household appliances and multiple devices for extended periods during outages or off-grid use.

Powerful 4000W Output with 8000W Surge

Provides high continuous output with surge capability, allowing it to run energy-intensive devices including HVAC systems, tools, and kitchen appliances.

Expandable Capacity up to 12kWh+

Supports additional smart batteries, enabling scalable energy expansion for longer backup durations and higher power demands.

Ultra-Fast Charging with X-Stream Technology

Charges up to 80% in about one hour and supports multi-source charging up to 7000W, ensuring minimal downtime and rapid readiness.

High Solar Input up to 2600W

Supports dual solar inputs for efficient renewable charging, making it ideal for off-grid setups and reducing electricity costs.

Advanced UPS with 10 ms Switchover

Automatically switches to battery power in milliseconds, protecting sensitive devices and ensuring uninterrupted operation during power failures.

Smart App Control and Monitoring

Offers Wi-Fi and Bluetooth connectivity for real-time monitoring, control, and energy optimization through the EcoFlow app.

Whisper-Quiet Operation

Operates at noise levels as low as 30 dB, making it suitable for indoor use, offices, and overnight backup without disturbance.

Durable LiFePO4 Battery with Long Lifespan

Built with LFP battery chemistry delivering up to 4000 cycles, ensuring long-term reliability and performance.

Versatile Charging Options

Supports AC wall charging, solar panels, car charging, generator input, and EV charging for maximum flexibility across different environments.

Product Specifications

• Model: EFDELTAPRO3UK-CBOX
• Battery Capacity: 4096Wh
• Battery Type: LiFePO4 (Lithium Iron Phosphate)
• AC Output: 4000W (pure sine wave)
• Surge Power: Up to 8000W
• X-Boost Output: Up to 6000W
• UPS Function: Yes (~10 ms switchover)
• Charging Time: 0–80% in approximately 1 hour
• Maximum Charging Input: Up to 7000W (multi-charge)
• Solar Input: Up to 2600W (dual MPPT)
• USB Ports: 2 × USB-A, 2 × USB-C (up to 100W)
• DC Outputs: 12.6V car port, DC5521, Anderson port
• AC Outlets: Up to 7 outlets
• Connectivity: Wi-Fi, Bluetooth, app control
• Noise Level: As low as 30 dB
• Battery Lifespan: 4000 cycles to 80% capacity
• Weight: Approximately 51.5 kg
• Dimensions: 693 × 341 × 410 mm
• Expandability: Supports additional batteries (up to 12kWh+)
• Application: Whole-home backup, off-grid living, RV, business use, emergency power