EcoFlow DELTA Pro Ultra Inverter + 3 Batteries 18kWh Home Backup Kit

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• We can help you ship qualifying items to Hawaii, Alaska, Puerto Rico, the U.S. Virgin Islands, and other U.S. territories.

• These locations are not eligible for free shipping.

• Typical shipping costs range from $30–$400, depending on weight, size, and—if applicable—lithium battery regulations.

• Please message us for an exact quote before purchasing.
  
  

Warranty Coverage

• 48 Contiguous U.S. States: Two- to five-year standard factory warranty applies to items shipped within the 48 contiguous U.S. states (duration depends on the product).

• U.S. Territories: Territory customers receive the same five-year factory warranty.

• If a replacement is needed, the original item must return to the U.S. 48 hub it shipped from, and the replacement will then be forwarded back to the territory.

• This round-trip process typically takes 4–5 weeks, depending on carrier schedules and routing, and all shipping for this service is included at no additional cost.

• Only qualifying items over $400 include free replacement-shipping coverage for up to 5 years when the original shipping was handled separately for locations outside the contiguous U.S.

We are logistics experts with 20+ years  — your shipment is handled with precision and care.

SKU: EFDPUPCS-3-BP
UPC: 842783140357

Product Overview

The EcoFlow DELTA Pro Ultra Inverter + 3 Batteries kit is a high-capacity home backup solution designed to deliver reliable power during outages, off-grid adventures, or for daily energy independence. Combining the DELTA Pro Ultra Inverter with three Smart Extra Batteries, this system provides 18kWh of total energy capacity, enough to power essential appliances, electronics, and more.

The DELTA Pro Ultra Inverter is engineered for high-performance output with 3600W continuous power and 7200W surge capability, capable of running heavy-duty household devices including refrigerators, air conditioners, and medical equipment. With its LFP battery chemistry, it provides long-lasting energy storage and maintains up to 80% capacity after thousands of cycles.

This kit is compatible with multiple charging options, including solar panels, AC outlets, and even EV chargers, giving you flexible, sustainable energy sources. Its modular design allows for future expansion of battery storage, making it a scalable solution for long-term energy needs.

With advanced features like UPS functionality, auto-switchover, and smart energy management, the EcoFlow DELTA Pro Ultra Inverter + 3 Batteries ensures seamless power delivery. The system is UL1973 and UL9540 certified, providing peace of mind for safe home installation and continuous use.

Key Features

1. High-powered inverter with 3600W continuous output and 7200W surge capacity

2. 3 Smart Extra Batteries totaling 18kWh, expandable for extended backup

3. Compatible with solar panels for sustainable energy generation

4. Fast recharge through AC, solar, or EV charging stations

5. Multiple AC, DC, and USB outputs to power various devices simultaneously

6. UPS protection for sensitive electronics with seamless switchover

7. Modular and portable design for easy installation and mobility

8. Certified reliability with UL1973 & UL9540 standards

Technical Facts

1. Inverter output: 3600W continuous, 7200W surge

2. Total battery capacity: 3 x 6kWh = 18kWh

3. Battery chemistry: LFP (Lithium Iron Phosphate)

4. Cycle life: 80% capacity retention after 3,500 cycles

5. Solar input: Up to 5600W supported

6. Operating temperature: -4°F to 122°F (-20°C to 50°C)

7. Connectivity: Wi-Fi, Bluetooth, 4G monitoring options

8. UPS response: Backup <20 ms, Online UPS 0 ms

Performance and Use Cases

The EcoFlow DELTA Pro Ultra Inverter + 3 Batteries provides a robust and flexible energy solution for homes, offices, and off-grid settings. It is ideal for emergency backup, running critical appliances, and sustaining daily operations without relying on the grid. Its scalable design allows you to expand storage for prolonged outages or increasing energy demands.

With the ability to integrate with solar panels, the system promotes renewable energy use, reducing dependence on conventional electricity sources and offering long-term cost savings. The inverter’s UPS functionality ensures that sensitive electronics continue operating during sudden power interruptions, making it suitable for both personal and professional applications.

This kit is also portable for temporary setups in RVs, construction sites, or outdoor events. The combination of high-capacity batteries, multiple charging options, and advanced energy management makes the EcoFlow DELTA Pro Ultra Inverter + 3 Batteries a versatile and dependable choice for anyone seeking energy independence.

What’s Included

1. EcoFlow DELTA Pro Ultra Inverter Unit

2. 3 x EcoFlow Smart Extra Batteries (6kWh each)

3. AC charging cable

4. Solar charging cable

5. User manual

6. Warranty card

Frequently Asked Questions

1. How many appliances can this kit power simultaneously?
   It can handle multiple heavy-duty appliances up to 3600W continuous and 7200W surge.

2. Can the batteries be expanded further?
   Yes, additional Smart Extra Batteries can be added to increase storage capacity.

3. Is solar charging compatible?
   Yes, the kit supports solar input up to 5600W for sustainable energy generation.

4. Does it provide UPS functionality?
   Yes, it offers seamless auto-switchover and online UPS protection for sensitive electronics.

5. Is the system certified for home use?
   Yes, it is UL1973 and UL9540 certified for safety and reliability.

Long Term Value

The EcoFlow DELTA Pro Ultra Inverter + 3 Batteries kit ensures energy security, flexibility, and efficiency. Its scalable design, fast recharge options, and reliable output make it suitable for long-term home backup, off-grid living, and renewable energy integration. This system delivers peace of mind during power outages and empowers users with modern energy independence.