The Firman 10WALL 10kWh Lithium Battery (B5120001) – a state-of-the-art energy storage solution designed to elevate your power experience. Combining high capacity, exceptional longevity, and unparalleled design, the 10WALL sets a new standard in home energy storage systems. Engineered with Grade A top lithium battery cells, it offers a robust 10240Wh capacity, ensuring that your home remains powered even during extended outages.