Whether you use the DELTA Pro 3 power station for emergencies or to provide backup power to your home through the EcoFlow Smart Home Panel 2, this Battery for DELTA Pro 3 Power Station from EcoFlow can increase the overall power capacity. Inside is an automotive-grade LFP battery with 4096Wh of additional capacity for the DELTA Pro 3. Adding it to your existing system is easy and convenient, with a plug-and-play connection and a stackable design so you can set it on top of the power station. Suitable for regular use, the battery's robust engineering can deliver 4000 charging cycles and still maintain 80% capacity.