EcoFlow Delta Pro Ultra X Powerstation with 4x Ultra X Expansion Batteries | 24,576 Watt Hours
Oct 20th
Ordered
Today – Oct 21st
Order Ready
Oct 23rd – Oct 27th
Delivered
Ships in 1–3 business days with tracking.
Pay securely with
Description
While we offer shipping for EcoFlow products to Hawaii, Alaska, and Puerto Rico, please note that EcoFlow does not provide official after-sales services, warranty coverage, or technical support in these regions. For any service-related inquiries regarding EcoFlow products shipped outside the U.S. mainland, please contact Wellbots directly. We recommend purchasing a CPS Accidental Warranty to protect your purchase when shipping to these locations, as it will ensure coverage in the event of damage or defects. Wellbots is solely responsible for all customer service, warranty claims, and support related to shipments to these regions.
EcoFlow DELTA Pro Ultra X Powerstation with 4 × Ultra X Expansion Batteries
Product Description
The EcoFlow DELTA Pro Ultra X Powerstation combined with four Ultra X Expansion Batteries delivers approximately 24.5 kWh of energy storage, making it a powerful and scalable solution for whole-home backup, high-demand off-grid systems, and business continuity applications.
The DELTA Pro Ultra X inverter provides a strong 12 kW output foundation, supported by modular, stackable batteries that use advanced LiFePO₄ chemistry for stability, longevity, and safety. With four Ultra X Expansion Batteries connected, this system offers extended backup runtime, higher load support, and a flexible, future-proof energy solution.
Key Specifications
DELTA Pro Ultra X Inverter
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Output Power: 12 kW base
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System Capacity Range: Expandable up to 180 kWh
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Switchover Time: Less than 20 ms when used with compatible EcoFlow smart power equipment
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Solar Input: Supports high-voltage solar arrays (up to approximately 10 kW of solar input)
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Voltage Support: 120 V / 240 V split-phase
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System Design: Modular, stackable architecture with intelligent energy management
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Battery Chemistry Compatibility: LFP (LiFePO₄)
Ultra X Expansion Batteries (4 Units Included)
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Usable Capacity per Module: 6,144 Wh (6.144 kWh)
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Total System Capacity: 24,576 Wh
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Battery Chemistry: LiFePO₄ for long cycle life and enhanced safety
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Protection Systems: Dual BMS with three-level safety architecture
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Expansion Capability: Additional batteries can be stacked as needed
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Compatibility: Designed exclusively for the DELTA Pro Ultra X ecosystem
What’s in the Box
DELTA Pro Ultra X Powerstation
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1 × DELTA Pro Ultra X Inverter
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Connection Cables
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User Manual & Warranty Card
Ultra X Expansion Batteries
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4 × Ultra X Expansion Battery Modules
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Battery Connection Cables
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User Manuals & Warranty Cards
Bundle Benefits & Use Cases
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Large-Scale Backup Power
Approximately 24.5 kWh of stored energy supports vital home systems, appliances, and essential circuits for extended outages. -
High Output Capacity
The 12 kW inverter handles demanding loads including HVAC, heavy appliances, and simultaneous multi-circuit operation. -
Modular & Scalable
Add more battery modules or additional inverters as your home or business energy needs grow. -
Long-Lasting Battery Technology
EV-grade LiFePO₄ cells provide excellent durability, safety, and thousands of charge cycles. -
Integration-Ready
Works seamlessly with EcoFlow ecosystem components such as high-voltage solar, generator input (with FlowMaster), or smart home power control systems.
Shipping & Delivery
Orders are processed within 1–3 business days. Smaller items ship by parcel with tracking and usually arrive in 3–7 business days.
Large items ship by freight truck and usually arrive in 5–14 business days. The carrier will contact you to schedule a delivery appointment. Freight is delivered curbside, so please inspect the packaging before signing.
We ship to the contiguous United States.
Returns & Warranty
Return unused, unassembled items in their original packaging within 30 days of delivery. Items that have been fueled, fired, assembled or used cannot be returned for safety reasons.
If anything arrives damaged or incorrect, contact us within 48 hours with photos and we will replace or refund it at no cost.
New products are covered by the manufacturer's warranty, and we will help you with any claim.
Frequently bought together
Buy 2 save 5% · 3 save 10% · 4+ save 15%Bundle total
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Why buy it here
Same gear. Better buying experience.
Before you check out, here is what comes with every order from Elite Grade Outdoors.
| Feature | Elite Grade Outdoors | Big-box stores | Online marketplaces |
|---|---|---|---|
| Expert help by phone before you buy | Limited | Varies by seller | |
| Bundle savings up to 15% | Rarely | Rarely | |
| Freight delivery booked by appointment | Varies | Varies by seller | |
| Full manufacturer warranty on new products | Varies by seller | ||
| Help with warranty claims | Limited | Rarely | |
| 30-day returns on unused items | Varies by seller | ||
| Outdoor-focused catalog, hand-picked |
Comparison reflects typical experiences and can vary by store, seller and product.
Questions before you buy?
Most parcel orders arrive within 3–7 business days after dispatch. Large freight items usually arrive within 5–14 business days, and the carrier calls ahead to book a delivery time that suits you.
Yes. Products are new unless the listing clearly says refurbished or reconditioned, and new products carry the manufacturer's warranty. If you ever need to make a claim, we will help you through it.
Large items such as grills, sheds, pergolas and playsets often arrive partly assembled. Check the description for details, or contact us before you order and we will confirm what is involved.
Inspect the packaging before signing and note any visible damage on the receipt. Then email us within 48 hours with photos. We will send a replacement or refund you at no cost.
Yes, within 30 days of delivery if it is unused, unassembled and in its original packaging. Items that have been fueled, fired or used cannot be returned. See our refund policy.
About Elite Grade Outdoors
Built for people who live outside
We started Elite Grade Outdoors for homeowners who cook, mow, build and camp more than most, and who are tired of guessing which big-ticket gear is worth it. Every product is chosen for how it holds up, and every order comes with real help before and after you buy.
Gear we would own
We only list equipment from brands with a track record, like Weber, Napoleon, Big Green Egg, Husqvarna, STIHL, EcoFlow and Jackery. If we would not put it in our own backyard, it does not go on the site.
Straight answers
Big purchases deserve a real conversation. Call or email and a person will help you compare models, check fit and fuel type, and pick what suits your space, even if that means the cheaper one.
Delivered without the hassle
Small items ship with tracking. Big ones ship by freight with a booked delivery appointment. If anything arrives damaged, we make it right.