The EcoFlow Pro expansion battery adds 6,144 Wh of energy storage to a DELTA Pro Ultra system. It uses EV-grade LFP (LiFePO₄) battery cells and supports home backup power or off-grid use.
The plug-and-play stacking architecture allows the system to be expanded. It features dual BMS thermal monitoring and automatic self-heating for cold climates, and can support 120 V/240 V loads during extended power outages.
- Capacity: 6,144 Wh
- Battery chemistry: LFP (LiFePO₄)
- Compatibility: DELTA Pro Ultra
- Connection: Plug-and-play
- Temperature monitoring: Dual, via BMS
- Self-heating: Automatic
- Supported loads: 120 V/240 V