This project is designed for communication base stations in Mauritania, addressing the power supply issues of these stations. In off-grid environments, it provides a flexible and reliable energy solution by integrating a photovoltaic system, energy storage batteries, and a. The outdoor site energy storage cabinet solution is designed to be rugged and weather-resistant, making it highly suitable for operation in Mauritania's desert climate. It significantly enhances the energy self-sufficiency and reliability of desert sites in Mauritania. Situated by the sea, the location has an unstable grid with low generation capacity, which has negatively impacted communication and operations. Huijue Group's outdoor site energy storage. Battery energy storage systems (BESSs) are gaining increasing importance in the low carbon transformation of power systems. Their current diesel-powered units consume 340 liters/hour – that's like burning a compact.