What Our Experts Think
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The EcoFlow DELTA 3 Series Smart Extra Battery (EFDELTA3P-EB) is engineered to expand your DELTA 3 power station’s capacity, providing longer runtimes for home, RV, and off-grid power needs.
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Features plug-and-play connectivity with the DELTA 3 main unit for seamless energy management.
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Built with LiFePO₄ battery technology, ensuring long life, superior safety, and stable performance.
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Perfect for users who need scalable backup power or want to extend operation time for energy-demanding applications.
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Fully managed through the EcoFlow app, allowing real-time monitoring and control from anywhere.
Q&A
Q: What is the capacity of the DELTA 3 Smart Extra Battery?
A: It adds 4096Wh (4.096kWh) of extra storage to the DELTA 3 main unit, expandable with additional batteries.
Q: Can it function independently?
A: No, it’s designed to work exclusively with the DELTA 3 main power station as an expansion unit.
Q: How is it connected to the main system?
A: It links through a dedicated expansion port, enabling automatic synchronization for charging and discharging.
Q: Is it compatible with solar charging?
A: Yes, when paired with the DELTA 3, it supports solar input for efficient renewable energy storage.
Q: How portable is the battery?
A: It has a compact, stackable design with a durable build, making transport and setup simple.
Maintenance Tips
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Charge periodically (every 3–6 months) when not in use to maintain health.
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Keep storage temperature between 20°C–30°C (68°F–86°F) for optimal performance.
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Avoid exposure to moisture, direct sunlight, or freezing conditions.
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Inspect ports and cables regularly for dust or damage.
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Update firmware via the EcoFlow app to ensure the latest safety and performance enhancements.
