EF ECOFLOW DELTA Pro 3 Home Battery Backup System User Manual

Introduction

The EF ECOFLOW 8kWh Home Battery Backup system, featuring two DELTA Pro 3 units with a 50 Amp Hub, provides a robust and versatile power solution. This system delivers 120/240V 8000W AC output, making it suitable for various applications including home backup, camping, emergency power during outages, and RV use. Its modular design allows for expandable capacity and flexible charging methods.

Key Features

• Double Power, Expanded Home Use: Easily chain together two DELTA Pro 3 units using the 50 Amp Hub to achieve an 8000W AC output. This capability supports 99% of home appliances, including high-wattage devices like clothes dryers or electric heaters.
• Expandable Battery Capacity: Each DELTA Pro 3 unit features a 4096Wh LFP battery capacity, expandable up to 48kWh with additional batteries or smart generators. This provides 2-4 days of whole-home backup power.
• Versatile Charging Methods: Offers 7 unique and 18 combo charging methods, including AC wall outlets, solar panels, gas generators, EV charging piles, or the EcoFlow Smart Home Panel 2.
• Plug and Play Setup: Designed for ease of use with no complex installation or maintenance required. The portable handle design facilitates easy transport.
• Quiet Operation: Equipped with X-Quiet technology, the solar generator operates at a low noise level of 30 dB, ensuring minimal disturbance.
• Uninterrupted Power Supply (UPS): Features an ultra-fast 10 ms switch-over capability, providing instant backup for sensitive electronics like NAS systems, servers, and entertainment devices.
• Enhanced Safety and Durability: Utilizes automotive-grade LFP cells and IP65-rated CTC battery pack technology for improved battery health and extended lifespan.

Setup Guide

Follow these steps to set up your EF ECOFLOW DELTA Pro 3 system:

1. Unpacking: Carefully remove all components from the packaging. Verify that all items listed in the packing list are present.
2. Initial Charge: Before first use, fully charge both DELTA Pro 3 units using an AC wall outlet. This ensures optimal battery performance.
3. Connecting DELTA Pro 3 Units to 50 Amp Hub:
   • Position the two DELTA Pro 3 units side-by-side.
   • Connect each DELTA Pro 3 unit to the 50 Amp Hub using the designated cables. Ensure connections are secure.
   • The 50 Amp Hub will synchronize the two units, enabling 8000W AC output.
4. Placement: Place the system on a flat, stable surface in a well-ventilated area. Ensure adequate clearance around the unit for proper airflow.

Figure 1: Two DELTA Pro 3 units connected via a 50 Amp Hub for expanded home use.

Operating Instructions

The DELTA Pro 3 system offers multiple ways to charge and power your devices.

Powering On/Off

• To power on the DELTA Pro 3, press and hold the main power button until the display illuminates.
• To power off, press and hold the main power button until the display turns off.

Output Ports

The system provides various output ports:

• AC Outlets (120V/240V): Located on the front panel, these outlets provide standard household power. Ensure the AC output is enabled via the display or EcoFlow app before use.
• USB-A and USB-C Ports: Located on the front panel for charging mobile devices, laptops, and other USB-powered electronics.
• 12V DC Output: A 12V car outlet is available for compatible devices.

Figure 2: Front panel with various output ports.

Charging Methods

The DELTA Pro 3 supports multiple charging inputs:

• AC Wall Charging: Plug the provided AC charging cable into a standard wall outlet. The unit supports fast charging.
• Solar Charging: Connect compatible solar panels to the solar input ports. The system supports dual-PV charging for faster solar input.
• Car Charging: Use the car charger cable to charge from your vehicle's cigarette lighter port.
• EV Charging: Connect to public EV charging piles for convenient and efficient charging.
• EcoFlow Smart Home Panel 2: Integrate with the Smart Home Panel 2 for automated power management and charging.
• EcoFlow Smart Generator: Connect to an EcoFlow Smart Generator (e.g., 4000W Dual Fuel) for DC charging.

Figure 3: Indoor charging options: Dual-PV and AC.

Figure 4: Garage charging via Smart Home Panel 2 and backyard charging with a gas generator.

Figure 5: Outdoor charging options: EV charging piles and car cigarette lighter.

EcoFlow App Control

Download the EcoFlow app to monitor and control your DELTA Pro 3 system remotely. The app allows you to:

• Monitor real-time energy insights.
• Control power output and charging settings.
• Customize settings to enhance battery lifespan and safety.
• Receive constant updates for optimal user experience.

Figure 6: Monitor and control your system with the EcoFlow app.

Official Product Videos

Maintenance

• Cleaning: Regularly clean the exterior of the unit with a dry, soft cloth. Ensure ventilation openings are free from dust and debris.
• Storage: Store the DELTA Pro 3 in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, ensure the battery is charged to approximately 50-80% and recharge every 3-6 months.
• Battery Health: Avoid fully discharging the battery frequently. Optimal battery lifespan is achieved by keeping the charge level between 20% and 80% during regular use.

Troubleshooting

• Unit Not Powering On: Ensure the battery is charged. If not, connect to an AC outlet for charging.
• No Output from AC/USB Ports: Verify that the respective output ports are enabled via the display or EcoFlow app. Check for overload protection activation.
• Overload Protection: If an overload occurs, the unit will automatically shut down. Disconnect the overloaded device, power cycle the unit, and try again with a lower load.
• App Connectivity Issues: Ensure Bluetooth or Wi-Fi is enabled on your mobile device and the DELTA Pro 3. Restart the app and the unit if necessary.

Specifications

Warranty and Support

Warranty: The EF ECOFLOW DELTA Pro 3 system comes with a 5-year manufacturer's warranty. Please retain your proof of purchase for warranty claims.

Customer Support: For any issues, technical assistance, or warranty inquiries, please contact EF ECOFLOW customer service. Refer to the product packaging or the official EF ECOFLOW website for contact details.