EcoFlow QTY 2 DELTA Pro + Double Voltage Hub + A510A Transfer Switch

EcoFlow QTY 2 DELTA Pro + Double Voltage Hub + A510A Transfer Switch

Free shipping to the 48 states. We also ship to PR, HI, AK, VI, Guam, and Saipan — message us for a quote.  

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Warranty Information

Full factory warranty applies to all customers, including island locations. 
The only exception is warranty shipping to and from island locations, which is not included.
We offer a low‑cost 5‑year Replacement Shipping Protection plan that covers those shipping costs.

SKU: 2DP-DVH+EFS-TransferSwtich-US-50A

Product Overview

The EcoFlow QTY 2 DELTA Pro + Double Voltage Hub + A510A is a complete home backup and energy independence solution engineered for high demand residential and professional power needs. This advanced system combines two EcoFlow DELTA Pro portable power stations with a Double Voltage Hub and the A510A Transfer Switch, creating a scalable and intelligent energy setup capable of delivering true 240V output.

Designed for homeowners who want reliable backup during outages or professionals requiring serious off grid power, this bundle transforms portable energy into a whole home capable solution. With seamless integration into your electrical panel, essential circuits can stay powered without extension cords or manual rewiring.

The EcoFlow QTY 2 DELTA Pro + Double Voltage Hub + A510A stands out by combining portability with permanent style installation flexibility. Whether powering refrigerators, well pumps, HVAC components, or heavy duty tools, this system delivers stable power with smart monitoring and multiple charging methods.

System Purpose and Use Cases

This system is purpose built for users who want control over their energy without relying on fuel based generators. It is ideal for emergency preparedness, energy resilience, off grid living, job sites, workshops, and mobile operations that require both high wattage and reliability.

With two DELTA Pro units working together, the EcoFlow QTY 2 DELTA Pro + Double Voltage Hub + A510A provides redundancy and scalability. One unit can be charging while the other is in use, or both can operate together for maximum output. The included transfer switch allows power to be safely routed into your home panel, ensuring selected circuits remain energized during outages.

Key Features

1. Dual DELTA Pro Configuration delivering a combined 7200Wh base capacity

2. Double Voltage Hub enabling true 240V split phase output

3. A510A Transfer Switch for safe home electrical panel integration

4. Multiple charging options including solar, AC wall outlets, EV charging stations, and DC sources

5. Smart energy monitoring and control through the EcoFlow mobile app

6. Portable design with wheels and handles for flexible placement

7. Quiet zero emission operation suitable for indoor and outdoor use

Technical Facts

1. Each DELTA Pro capacity is 3600Wh

2. Combined system capacity starts at 7200Wh and is expandable with extra batteries

3. Output supports 120V and 240V appliances

4. Charging compatibility includes solar arrays, EV chargers, standard AC, and generators

5. Transfer switch supports selected household circuits

6. App based monitoring provides real time usage and battery status

7. Designed for both portable and semi permanent installations

Smart Energy Management

What makes the EcoFlow QTY 2 DELTA Pro + Double Voltage Hub + A510A especially powerful is its intelligent energy management. Through the EcoFlow app, users can monitor load levels, schedule charging, prioritize power usage, and receive system alerts. This allows better energy efficiency and ensures batteries are available when needed most.

Solar compatibility allows users to reduce grid dependence and fuel costs. When paired with solar panels, the system can recharge during daylight hours, making it an excellent solution for sustainable living and long term outages.

What's Included

1. Two EcoFlow DELTA Pro Portable Power Stations

2. One EcoFlow Double Voltage Hub

3. One A510A Transfer Switch

4. AC Charging Cables

5. Solar Charging Cables

6. DC Cables and Adapters

7. User Manuals

8. Warranty Documentation

Frequently Asked Questions

1. Can this system power my entire home
   It can power selected circuits and high demand appliances depending on load and configuration through the transfer switch.

2. Does it support solar charging
   Yes, it supports solar input and can be part of a renewable energy setup.

3. Is professional installation required
   The transfer switch should be installed by a qualified electrician to ensure safety and code compliance.

4. Can the capacity be expanded later
   Yes, additional EcoFlow Smart Extra Batteries can be added to increase total storage.

5. Is this system portable
   Yes, despite its power, each DELTA Pro unit includes wheels and handles for mobility.

The EcoFlow QTY 2 DELTA Pro + Double Voltage Hub + A510A delivers professional grade power with consumer friendly usability. It bridges the gap between portable power stations and traditional home backup systems, offering flexibility, intelligence, and reliability in one integrated solution.