Output power: rated 12V x 5A = 60W. The actual output depends on the installed battery's capacity. DC constant voltage UPS function: automatic charging and discharging management with no manual intervention required; stable power delivery to connected devices. Multioutput capability: provides commonly used voltages including 5V, 9V, and 12V for devices such as optical tracing equipment, routers, and monitoring cameras. Capacity and battery requirement: Installable battery capacity is 6 x 3.7V x 3400mAh = 74 Wh; battery pack to be supplied by the user (battery prepared by user). Battery accessibility: no welding needed; batteries can be disassembled and replaced . Design and practicality: modular, userserviceable power platform that supports easy battery upgrade or replacement without soldering. Use scenarios Backup power for routers and monitoring cameras during outages or unstable mains, ensuring continuous connectivity and surveillance. Onsite use for optical tracing devices requiring stable 5/9/12 V power, enabling operation in locations without reliable mains power. Temporary power supply for small IP cameras or network devices in remote or field locations where a portable, solder power solution is advantageous.