The JD-5 Stackable Home Energy Storage System is an intelligent solution designed specifically for residential users. Integrating both photovoltaic power generation and energy storage capabilities, it features a modular, stackable design that ensures simple and flexible installation. The unit utilizes highly safe lithium iron phosphate (LiFePO4) batteries and is equipped with an intelligent energy management system capable of optimizing power usage strategies. Supporting both grid-tied and off-grid operating modes, it empowers households to efficiently utilize clean energy, enhance their energy independence, and reduce electricity costs.