EcoFlow Extra Solar Deep Cycle Battery – 3600Wh for DELTA PRO
The EcoFlow Extra Solar Deep Cycle Battery (model DELTAPROEB-US) is the perfect high-capacity expansion unit for your DELTA PRO portable power station. With a 3600Wh LiFePO₄ (Lithium Iron Phosphate) battery, this smart extra battery lets you scale your total energy to 7.2 kWh with one unit or up to 10.8 kWh with two — ideal for extended power outages, off-grid setups, RV travel, or heavy usage scenarios. Featuring plug-and-play setup, integrated into the DELTA PRO’s battery management system, you’ll get seamless charging, smart app monitoring, and safe operation built for the long haul.
Features
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Expandable Capacity: Doubles the DELTA PRO from 3.6 kWh to 7.2 kWh, or up to 10.8 kWh with two units.
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Durable LiFePO₄ Battery: Supports up to ~3,500 full cycles to 80% capacity for long life.
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Smart Monitoring: Use the EcoFlow app or front-LCD screen to monitor charge level, runtime, inputs/outputs.
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Plug-and-Play Installation: No complex wiring — simply connect the extra battery to the DELTA PRO and the system recognizes it.
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Versatile Charging: Compatible with all DELTA PRO charging methods (AC wall, solar input, EV port, smart generator).



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