Description
The EcoFlow DELTA Pro Smart Extra Battery is the official expansion battery for the DELTA Pro power station, adding a full 3,600Wh of LiFePO4 capacity with a simple plug-and-play connection. Whether you need more runtime during a power outage or extended off-grid use, this battery scales your system effortlessly.
Built with smart cell-level monitoring, it continuously communicates health and charge data to your DELTA Pro for optimized performance and longevity. LFP chemistry ensures over 3,000 cycles with superior thermal safety — ideal for permanent home installation.
Stack up to six batteries to reach 25kWh of total storage, turning your DELTA Pro into a serious whole-home backup solution. Compatible with solar charging, transfer switch setups, and the EcoFlow app for full system visibility.







