The 12V65Ah valve-regulated lead-acid batteries is a highly versatile energy storage device. With stable voltage, moderate capacity and high reliability, it is widely used in various standby and energy storage scenarios. In the power industry, it serves as a backup power supply for UPS systems and substation DC panels, ensuring continuous operation of industrial equipment and servers during power outages. In new energy scenarios, it adapts to small household off-grid solar and wind energy storage systems to store clean energy for night use. It is also widely applied in communication base stations, fire emergency lighting, security monitoring, medical emergency equipment, as well as rail transit signal systems and small ship power supply systems.