Delta Pro Ultra Extra Battery

The EcoFlow Delta Pro Ultra Extra Battery is the essential expansion for anyone looking to get more out of their Delta Pro Ultra system. Each 6,144 Wh battery module forms the foundation of the installation together with the inverter. For this reason, the inverter and the first battery are usually sold as a bundle. From there, you can easily scale up to a maximum of five modules, providing a total storage capacity of 30 kWh.

The Extra Battery works exclusively with the Delta Pro Ultra inverter and cannot be charged or used independently. Connection is plug-and-play, requiring no technical installation. The system is optimized for efficient charging and discharging, fully managed through the EcoFlow app.

Thanks to its modular design, you decide how large your energy storage becomes. Start with 6 kWh and expand later as your needs grow. A practical feature is the support for hot-swapping: you can add or remove modules (as long as they are not directly connected to the inverter) without the risk of damage or interruption. This makes maintenance or relocation simple.

The Delta Pro Ultra supports up to five batteries. The stacked design and intelligent communication between the modules minimize energy losses and ensure optimal performance.

Important: This battery is only compatible with the Delta Pro Ultra inverter and does not work with other EcoFlow models such as the Delta Pro or Delta Pro 3.

The internal battery is built with durable LiFePO4 cells (LFP), known for their safety, stability, and long lifespan. Even after 3,500 charging cycles, the battery still retains more than 80% of its original capacity, which equals roughly ten years of daily use.