EcoFlow DELTA Pro 3 Solar Generator with 400W Portable Solar Panels

Product Overview

The EcoFlow DELTA Pro 3 Solar Generator paired with a 400W Portable Solar Panel is a premium, expandable power system designed for reliable backup and high-demand energy needs. With a powerful 4000W continuous AC output and a 4096Wh battery capacity that scales up to 48kWh, it supports both 120V and 240V appliances, providing extended energy security for homes and off-grid situations. The included solar panel enhances autonomy by delivering efficient solar charging wherever sunlight is available.

Why This Product Makes Sense

Power interruptions often arrive unannounced and can last longer than expected. Many conventional backup options provide limited power capacity or output, forcing compromises on which devices to keep running. The EcoFlow DELTA Pro 3 addresses these concerns through a robust 4000W continuous output with surge capability, making it capable of supporting a wide range of household and high-power appliances across both 120V and 240V voltages. This flexibility reduces uncertainty about what can be powered during an outage or off-grid use.

The system’s 4096Wh battery capacity, expandable up to 48kWh, means it can supply power reliably over several days without recharging. This scalability allows users to match capacity to their unique energy requirements, providing peace of mind without overspending on unnecessary capacity upfront. The option to add extra batteries provides a practical pathway for increasing energy reserves over time.

Solar charging plays a significant role in maintaining autonomy, especially in areas with frequent outages or limited grid access. The DELTA Pro 3’s dual PV ports support up to 2600W of solar input, paired with a highly efficient 400W Portable Solar Panel that maximizes energy capture with 99% MPPT efficiency. This high conversion rate enables faster replenishment of battery capacity, reducing downtime and reliance on grid power.

Weather resistance rated to IP65 ensures the system maintains durability in outdoor or variable environments, which is crucial for users who place their equipment outside or in less controlled settings. The built-in online UPS function offers a seamless 10 millisecond switchover, protecting sensitive electronics by maintaining continuous power without interruption during transfer.

Control and monitoring are simplified with the EcoFlow app, allowing precise management of charging priorities and real-time system status from anywhere. This capability adds a layer of transparency and convenience that supports informed energy decisions, enhancing the overall user experience.

What To Expect From It

In everyday use, the DELTA Pro 3 delivers consistent and dependable power through its strong AC output and flexible voltage compatibility. Whether powering critical home appliances or heavy-duty tools, it provides a steady supply without frequent interruptions or performance drops.

The expandable battery capacity allows users to start with a manageable setup and increase energy storage as needs evolve. This approach suits those who prefer to avoid over-investment initially, while maintaining the option for extended backup power when necessary.

The 400W Portable Solar Panel included with the system offers a practical, efficient method of recharging via solar energy, suitable for outdoor use or locations where grid access is limited or unreliable. Its monocrystalline silicon cells and 22.4% efficiency rating ensure effective energy capture during daylight hours.

Managing the system is intuitive through the EcoFlow app, which provides real-time insight into power input and output, battery status, and charging preferences. This remote control fosters confidence that the system is operating optimally and adapting to current energy conditions.

Overall, ownership involves practical, no-nonsense power management designed to meet real-world demands with clarity and reliability. This system fits those who value verified specifications, robust performance, and thoughtful scalability.

Technical Specifications

• Brand: EcoFlow
• Model: DELTA Pro 3 Portable Power Station
• SKU: EFDELTAPRO3-US
• Battery Capacity: 4096Wh
• Expandable Capacity (Single Unit): Up to 12kWh (with 2 Extra Batteries)
• Expandable Capacity (System): Up to 36kWh (6 Extra Batteries), scalable to 48kWh
• AC Continuous Output: 4000W (up to 6000W with X-Boost)
• AC Surge Output: 8000W
• Battery Chemistry: Lithium Iron Phosphate (LFP)
• Cycle Life: 4000 cycles to 80% capacity
• AC Output Voltage: 120/240V ~16.7A 60Hz, 4000W combined
• 120V Outputs: 4 x NEMA 5-20R (20A), 1 x NEMA TT-30R (30A)
• 240V Output: 1 x NEMA 6-20R (16.7A)
• 120/240V Output: 1 x NEMA L14-30R (16.7A)
• DC Outputs: 12V: 2.6V~30A, 378W total; DC5221: 1 x 5A max; Anderson Port: 1 x 30A max
• USB-A Ports: 2 x 5V-2.4A / 9V-2A / 12V-1.5A, max 18W each, 36W total
• USB-C Ports: 2 x 5/9/12/15/20V-5A, max 100W each, 200W total
• AC Charging Input: 100~240V ~15A 50/60Hz
• Solar Input: 2600W total (2 ports)
• Solar High-PV: 30V~150V=, 15A, 1600W max
• Solar Low-PV: 11V~60V=, 20A, 1000W max
• Car Input: 12V=8A max / 48V=20A max
• Size: 16.16 in x 13.43 in x 27.28 in
• Weight: 113.54 lbs
• Operating Temperatures: Discharging and Storage 14°F to 113°F; Charging 32°F to 113°F
• Battery Protection Rating: IP65
• UPS Transfer Time: 10 ms
• Connectivity: WiFi 2.4GHz / Bluetooth / CAN

Technical Specifications - Solar Panel

• Brand: EcoFlow
• Model: 400W Portable Solar Panel
• SKU: SOLAR400W
• Rated Power: 400W
• Cell Type: Monocrystalline silicon
• Efficiency: 22.40%
• Dimensions: 42.0 in x 94.1 in x 1.0 in
• Connector: Solar Connector
• Open Circuit Voltage: 48V (Vmp 41V)
• Short Circuit Current: 11A (Imp 9.8A)
• Weight (Panel Only): Approx. 35.3 lbs
• Weight (with Kickstand Case): Approx. 41.9 lbs

What’s Included

The package includes the EcoFlow DELTA Pro 3 Portable Power Station and a high-efficiency 400W Portable Solar Panel, delivering a ready-to-use power solution designed for backup and off-grid scenarios.

Warranty

Energy Systems Central is an authorized retailer of EcoFlow products, passing along the manufacturer’s 5-year warranty for reliable support and coverage.