EcoFlow DELTA Pro Ultra Inverter + 3 Batteries 18kWh Home Backup Kit
- In stock — ships FREE to the continental U.S.
- Backordered, shipping soon
EcoFlow DELTA Pro Ultra Inverter + 3 Batteries 18kWh Home Backup Kit
Shipping and Delivery
Free shipping to the 48 U.S. states on all items.
Other U.S. destinations available for a fee, typically range from $30–$400 depending on the product.
We assist with this process every day for brand new items only that qualify for shipping to those other locations.
Shipments outside the 48 states when purchased at our Florida hub may utilize one of our highly recommended freight partners.
This includes best-rate pricing, full insurance, and Dangerous Goods labeling and inspection, when needed.
From there, your item is forwarded to your location.
You may choose local pickup or home delivery.
Tracking is provided to the hub; final delivery is fully insured and guaranteed.
We're logistics experts with 20+ years on expertise
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
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High-powered inverter with 3600W continuous output and 7200W surge capacity
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3 Smart Extra Batteries totaling 18kWh, expandable for extended backup
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Compatible with solar panels for sustainable energy generation
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Fast recharge through AC, solar, or EV charging stations
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Multiple AC, DC, and USB outputs to power various devices simultaneously
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UPS protection for sensitive electronics with seamless switchover
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Modular and portable design for easy installation and mobility
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Certified reliability with UL1973 & UL9540 standards
Technical Facts
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Inverter output: 3600W continuous, 7200W surge
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Total battery capacity: 3 x 6kWh = 18kWh
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Battery chemistry: LFP (Lithium Iron Phosphate)
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Cycle life: 80% capacity retention after 3,500 cycles
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Solar input: Up to 5600W supported
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Operating temperature: -4°F to 122°F (-20°C to 50°C)
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Connectivity: Wi-Fi, Bluetooth, 4G monitoring options
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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
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EcoFlow DELTA Pro Ultra Inverter Unit
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3 x EcoFlow Smart Extra Batteries (6kWh each)
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AC charging cable
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Solar charging cable
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User manual
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Warranty card
Frequently Asked Questions
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How many appliances can this kit power simultaneously?
It can handle multiple heavy-duty appliances up to 3600W continuous and 7200W surge. -
Can the batteries be expanded further?
Yes, additional Smart Extra Batteries can be added to increase storage capacity. -
Is solar charging compatible?
Yes, the kit supports solar input up to 5600W for sustainable energy generation. -
Does it provide UPS functionality?
Yes, it offers seamless auto-switchover and online UPS protection for sensitive electronics. -
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.
Warranty
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Most warranty matters in all 50 states and U.S. territories are handled by email and phone support, unless EcoFlow suggests a replacement.
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Factory warranty: Full coverage for the 48 contiguous U.S. states and outlying U.S. territories.
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For outlying U.S. territories (if replacement required): We can assist with return shipping to/from Florida at reduced rates; customer pays shipping.
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CPS Extended Warranty (optional): Starts 30 days post-purchase, covers full value plus shipping for all areas.