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 2 × Ultra X Expansion Batteries and 4 × 400W Solar Panels
Product Description
This high-capacity power solution pairs the EcoFlow DELTA Pro Ultra X Powerstation with two Ultra X Expansion Batteries and four 400W Solar Panels, delivering durable, high-efficiency solar generation and reliable whole-home or off-grid backup power.
The DELTA Pro Ultra X provides 12 kW of output with split-phase 120/240V capability, while the two Ultra X batteries offer approximately 12.3 kWh of energy storage using long-life LiFePO₄ technology.
With four 400W solar panels, the system supports powerful, roof- or ground-mounted solar input for consistent daily recharging and long-term energy independence. This bundle is ideal for homes, cabins, off-grid systems, and demanding applications that require stable, high-output renewable energy.
Key Specifications
DELTA Pro Ultra X Powerstation (with 2 Batteries)
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Output Power: 12 kW base
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Total Capacity: ~12.3 kWh (2 × 6,144 Wh Ultra X batteries)
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Expandability: Up to 180 kWh with additional batteries
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Battery Chemistry: LiFePO₄ (LFP)
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Solar Input: Supports high-voltage PV arrays up to approximately 10 kW
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Split-Phase Output: 120/240V
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Switchover Time: Less than 20 ms when connected to smart switching equipment
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Modular Design: Stackable, hot-swappable battery modules
Ultra X Expansion Batteries (2 Units Included)
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Capacity per Module: 6,144 Wh
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Total Storage Added: 12,288 Wh
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Battery Chemistry: LiFePO₄
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Protection: Dual BMS with multi-level safety systems
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Connection: Plug-and-play with DELTA Pro Ultra X system
400W Solar Panels (4 Units Included)
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Rated Power per Panel: 400 W
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Total Solar Input Potential: Up to 1,600 W
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Solar Cell Type: High-efficiency monocrystalline
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Durability: aluminum-framed panel designed for permanent installation
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Weather Resistance: Built for long-term outdoor use
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Mounting: Suitable for roof, ground-mount, or array installation
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Ideal For: Homes, cabins, off-grid structures, and fixed solar setups
What’s in the Box
DELTA Pro Ultra X Powerstation
Ultra X Expansion Batteries
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2 × Ultra X Battery Modules
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Battery Connection Cables
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User Manuals & Warranty Cards
400W Solar Panels
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4 × 400W Solar Panels
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Solar Connection Cables
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User Manuals
Bundle Benefits & Use Cases
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Whole-Home Backup: Power essential circuits, major appliances, and heavy loads with confidence.
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Large Energy Storage: Over 12 kWh of storage supports extended outages or off-grid living.
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High Solar Production: Four 400W panels provide strong, stable daily solar generation.
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Long-Term Durability: aluminum-framed solar panels are designed for permanent, year-round outdoor installation.
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Modular Growth: Add more batteries or inverters as energy needs increase.
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Reliable LFP Technology: Long cycle life and excellent thermal stability for long-term performance.
