EcoFlow DELTA Pro 3 Portable Battery Generator

BH #ECDELTAPRO3 • MFR #EFDELTAPRO3-US
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EcoFlow DELTA Pro 3 Portable Battery Generator
Key Features
  • LFP Cells with 4096Wh Capacity
  • Up to 4000W (8000W Surge) Output
  • Link 3 in Parallel for up to 12,000W
  • Four NEMA 5-20R Outputs
Home or away, you can provide power to major appliances and infrastructure using the EcoFlow DELTA Pro 3 Portable Battery Generator. Equipped with automotive-grade LFP power cells, the DELTA Pro 3 has 4096Wh of capacity and a maximum output up to 4000W (8000W surge). This is enough to run everything from stoves and refrigerators to central AC units and water pumps. It even has a dedicated NEMA TT-30R output for powering your RV. You can expand your power options and link up three units in parallel for up to 12,000W of simultaneous output. All this is done safely and quietly thanks to the unit's robust construction and EcoFlow's X-Quiet and X-Guard technologies. When in use, managing the unit is easy using the built-in display or from your phone via the EcoFlow mobile app.
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Expected availability: 7-14 Business Days
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EcoFlow EFDELTAPRO3-US Overview

Home or away, you can provide power to major appliances and infrastructure using the EcoFlow DELTA Pro 3 Portable Battery Generator. Equipped with automotive-grade LFP power cells, the DELTA Pro 3 has 4096Wh of capacity and a maximum output up to 4000W (8000W surge). This is enough to run everything from stoves and refrigerators to central AC units and water pumps. It even has a dedicated NEMA TT-30R output for powering your RV. You can expand your power options and link up three units in parallel for up to 12,000W of simultaneous output. All this is done safely and quietly thanks to the unit's robust construction and EcoFlow's X-Quiet and X-Guard technologies. When in use, managing the unit is easy using the built-in display or from your phone via the EcoFlow mobile app.
Power Output
Connect your small to large appliances and various electronics to seven different power outputs of the EcoFlow DELTA Pro 3: four NEMA 5-20R, one TT-30R, one 6-20R, and one L14-30.
Direct Home Connection
Three methods offer direct home integration for when you need power the most

  • NEMA L14-30R split-phase socket inlet box
  • Manual transfer switch with the ability to switch between 120V and 240V output
  • EcoFlow Smart Home Panel 2 supports connecting up to 3 units, a fast 20ms switchover during outages, and EcoFlow app monitoring of usage and savings, along with control of up to 12 circuits

 

Ultra-Quiet and Cool Operation
Using X-Quiet technology, EcoFlow manages to have the DELTA Pro 3 operate at just 30 dB (when using <2000W). It features a dual air duct system with optimized zoning of the high and low heat-emitting components to optimize cooling. Dynamic airflow adjustment provides additional cooling benefits, with a precision temperature monitoring system in place to keep the system running smoothly.
Multiple Recharging Methods
When it comes to recharging the DELTA Pro 3, you have seven different methods to choose from based on availability. They can be mixed and matched if needed to achieve a maximum power input of 7000W. With built-in EcoFlow X-Stream fast-charging support, the DELTA Pro 3 can use supported recharging methods to go from 0 to 80% in just 50 minutes.

  • Dual-PV solar charging (up to 2600W, 1000W/1600W respectively)
  • AC wall charging (120/240V), cable included
  • EcoFlow Smart Home Panel 2 (up to 4000W)
  • Gas generator or EcoFlow Smart Generator 4000, Dual Fuel, (up to 3200W)
  • Level 2 EV charging piles (up to 4000W)
  • RV/van via EcoFlow Alternator Charger
  • Car power port

 

Safe and Rugged Design
Internally, EcoFlow's X-Guard battery management system monitors 44 different safety indicators 24/7, providing warnings on the EcoFlow mobile app, which can also be used to manage the device. The exterior consistes of a Cell-to-Chassis (CTC) frame and a UL-certified 5VA grade fireproof shell. It has an IP65 rating for resistance to fire, water, dust, and impacts.
Additional Features
  • One tap start and maintenance-free operation
  • Large built-in digital status display
  • Dual built-in wheels and slide-out ergonomic handle
  • Control and monitor from anywhere with the EcoFlow mobile app
UPC: 842783143372

EcoFlow EFDELTAPRO3-US Specs

Key Specs
Battery Capacity
4096 Wh
Rated Power
Output: 4000 W / 8000 W (Surge)
Input: 1600 W
Input/Output
Output: NEMA 5-20R / NEMA 6-20 / NEMA L14-30 / NEMA TT-30 / Expansion / USB-A / USB-C / Anderson DC
Input/Output: Expansion
Input: Cigarette Lighter / IEC C20 / Expansion / High Power Port (HPP) / Low-PV Port (LPP)
Power Station
Battery Capacity
4096 Wh
Battery Chemistry
Lithium-Ion Phosphate (LiFe)
Rated Power
Output: 4000 W / 8000 W (Surge)
Input: 1600 W
Input Power
100 to 120 VAC, 50 / 60 Hz
Input/Output
Output:
4x NEMA 5-20R (120 W20 A)
1x NEMA TT-30 (120 W30 A)
1x NEMA L14-30 (240 W16.7 A)
1x NEMA 6-20 (240 W16.7 A)
1x Anderson DC (30 W)
2x USB-A (18 W, 12 V at 1.5 A)
2x USB-C (100 W, 20 V at 5 A)
1x Expansion

Input/Output:
1x Expansion

Input:
1x High Power Port (HPP) (1600 W, 150 V at 15 A)
1x Low-PV Port (LPP)
1x Cigarette Lighter (48 W20 A)
1x IEC C20
1x Expansion
Life Cycle
4000 Cycles (80% Battery Capacity)
Transfer Time
< 10 ms
Solar Panel
Environmental Resistance
Dust/Weather-Resistant (IP65)
Convenience
Mobile App Compatible
Yes: Android & iOS
Wireless
Wi-Fi 4 (802.11n) / Bluetooth 5.0
Wireless Charging
No
Environmental
Storage Conditions
14 to 113°F / -10 to 45°C
Charging Temperature
32 to 113°F / 0 to 45°C
Hardware
Dimensions
27.3 x 16.2 x 13.4" / 693 x 410.4 x 341 mm
Weight
113.5 lb / 51.5 kg

EcoFlow EFDELTAPRO3-US Reviews

EcoFlow are the best out there.

By Sgxm
Rated 5 out of 5
Date: 2026-03-31

The price is right, they are a must have item. Buy two or three for around the house.

Delta pro3

By carlos v
Rated 5 out of 5
Date: 2025-09-25

Perform better that i expected ;0 it powers the house with no problem, I love it.

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