Free Shipping & Tax-Free. Call or Text: 888-332-7989 for Expert Advice & Today's Best Price.

FREE SHIPPING • NO SALES TAX

Speak With An Energy Specialist:

+18883327989
support@energysystemscentral.com
Hot
New
In stock
Pre-order
Out stock

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

By: EcoFlow SKU: DP3-400W-1 IN STOCK
$2,549.00
FOUND A LOWER PRICE?

Let us know and we will beat it. Get the best deal online, Always.

Authorized Dealer
Full Manufacturer Warranty Included
Free Shipping, No Sales Tax
Free Shipping To The Lower 48
30 Day Return Window
Clear Policies. No Runaround.
Specialist Support Team
Pre And Post Purchase Assistance
ESTIMATED DELIVERY BETWEEN
Loading dates
Order within 00h 00m to get it by the earliest date.
Description Shipping & Easy Returns Why Buy From Us

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.

EcoFlow DELTA Pro 3 Dual PV Ports

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.

High Conversion Efficiency Solar Charging

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.

Smart App Control

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.

Warranty Icon

Key Specs

  • Running Watts: 400W
  • Run Time: Up to a week
  • Warranty: 5-years

Free Shipping Across the United States.Read our full Shipping Policy here.

Market-Leading 30-Day Returns Process.Read more about our Returns Policy here.

Choosing the right retailer matters, especially for critical power and off-grid systems. Here’s what sets Energy Systems Central apart.

  • Free Shipping Nationwide: Transparent pricing with no hidden fees at checkout.
  • Best Price Assurance: If you find the same product offered for less, we’ll review and match it where applicable.
  • Easy 30-Day Returns: Clear, straightforward return policies designed for peace of mind.
  • Expert-Led Support: Speak directly with knowledgeable specialists who understand the products. Call us at 888-332-7989.

FREQUENTLY ASKED
QUESTIONS

Yes. We provide free standard shipping on all orders shipped within the United States. Shipping costs are included in the listed price with no hidden fees at checkout.

Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.

We offer a 30 day return window for eligible products that are unused and in original condition. Our support team will guide you through the return or exchange process if needed.

Absolutely. Yes. Our knowledgeable product specialists are available by phone, live chat, or email to help you select the right equipment for your application.

Most products include a manufacturer warranty, typically starting at one year. Warranty terms vary by brand and model and are listed on each product page.

Yes. We are an authorized retailer and only sell brand new, genuine products sourced directly from manufacturers or their approved distributors.

EcoFlow Delta Pro portable power station back image

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

$2,549.00
DELTA Pro 3 + 400W Portable Solar Panel
DELTA Pro 3 + 2 x 400W Portable Solar Panels