EcoFlow DELTA Pro Ultra Battery - DPUEB-2
Expandable capacity - Increase the capacity of DELTA Pro Ultra with an extra 6kWh.
*If you've purchased three or more battery packs, please contact our customer service team to claim your EcoFlow Fixing Metal Tab, which is necessary for securely stacking your battery packs.
Specifications
Dimensions: 26×18×8 in (including mat)
*EcoFlow DELTA Pro Ultra Battery must work with the EcoFlow DELTA Pro Ultra Inverter
What Our Experts Think
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The EcoFlow DELTA Pro Ultra Battery (DPUEB-2) stands out for its high-capacity performance and modular expandability, making it perfect for both home backup and off-grid setups.
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Delivers long-lasting power with superior lithium-iron-phosphate (LiFePO₄) battery chemistry for safety and durability.
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Ideal for pairing with EcoFlow Smart Home Panel 2 or solar systems for seamless energy independence.
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Offers quiet operation, fast charging, and smart energy management via the EcoFlow app.
Q&A
Q: What is the capacity of the DELTA Pro Ultra Battery?
A: It provides a massive 6kWh capacity per unit, expandable up to 90kWh with multiple batteries.
Q: Can it be used for whole-home backup?
A: Yes, when connected to the EcoFlow Smart Home Panel 2, it can power an entire home during outages.
Q: How long does it take to charge?
A: It supports multiple charging methods—AC, solar, or generator—with rapid recharge times as low as 2 hours (depending on source).
Q: Is the battery safe for indoor use?
A: Yes, thanks to LiFePO₄ chemistry, it’s stable, safe, and low-maintenance, suitable for indoor environments.
Maintenance Tips
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Keep it charged between 30–80% when not in regular use to extend lifespan.
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Store in a cool, dry place—avoid direct sunlight and moisture.
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Clean terminals gently with a dry cloth to maintain connection quality.
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Update firmware regularly through the EcoFlow app for best performance.
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Run periodic discharge cycles (every 3–6 months) to keep the battery in top condition.
Damage 
Loss 
Theft 
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