EcoFlow DELTA Pro Ultra 3 Batteries 18kWh Portable Energy Storage
- In stock, ready to ship
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We help buyers ship to Alaska, Hawaii & U.S. Territories.
Shipping is only extra for orders going to islands and U.S. Territories.
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Description
Free Shipping to all 48 states
US Territory Shipping
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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.
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These locations are not eligible for free shipping.
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Typical shipping costs range from $30–$400, depending on weight, size, and—if applicable—lithium battery regulations.
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Please message us for an exact quote before purchasing.
Warranty Coverage
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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).
- Free Warranty Replacement Shipping to U.S. Territories We cover shipping both ways if the factory approves a replacement.
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U.S. Territories: Territory customers receive the same five-year factory warranty.
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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.
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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.
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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.
Included SKU:
EFDeltaProUltra-BP-US (QTY 3)
*EcoFlow DELTA Pro Ultra Battery must work with the EcoFlow DELTA Pro Ultra Inverter
Key Benefits
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Expandable 18kWh battery modules enhance the flexibility of your EcoFlow DELTA Pro Ultra system
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Designed for vertical stacking, allowing space-saving integration without clutter
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Reliable energy storage for backup power needs ranging from short-term outages to extended coverage
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Fast plug-and-play setup allows for quick installation without technical complexity
Main Purpose
The EcoFlow DELTA Pro Ultra 18kWh Battery Portable Energy Storage is engineered to extend the runtime and capacity of the DELTA Pro Ultra Inverter System. This high-performance modular battery enables users to add scalable backup power for home, RV, or mobile applications.
Product Overview
Achieve long-lasting energy independence with the EcoFlow DELTA Pro Ultra 6kWh Battery. Each unit adds an additional 18kWh capacity to the DELTA Pro Ultra Inverter System, supporting up to two days of backup and scaling up to 90kWh for extended coverage.
Whether used at home or off-grid, this stackable module offers seamless setup, space-conscious design, and reliable output. Its durable shell and dimensions of 26×18×8 in (including mat) fit into a wide range of environments. Ideal for those prioritizing efficient energy management and professional-grade power solutions.
Note: Requires EcoFlow DELTA Pro Ultra Inverter to operate.
Features
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Expandable Capacity: Adds 18kWh of additional energy storage to the DELTA Pro Ultra system
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Stackable Integration: Designed for vertical mounting with secure configuration tabs (available upon request when purchasing 3+ battery units)
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Quick Installation: Plug-and-play setup enables fast deployment
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Scalable Storage: Supports up to 90kWh total capacity for long-term backup needs
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Compact Dimensions: Measures 26×18×8 in, allowing easy fit into residential or mobile setups
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Secure Operation: Built for long-term use with a reinforced exterior and stable footprint
What's Included
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EcoFlow DELTA Pro Ultra 3 Batteries
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Battery connection cables
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Safety Guide
