The 15W 3A UPS Power Module is a professional Uninterruptible Power Supply (UPS) solution designed to keep critical electronic devices running without interruption. It automatically switches to a 3.7V Li-ion/LiPo backup battery within milliseconds during a power failure and recharges the battery automatically when the main power returns. Available in 5V, 9V, 12V, and 24V output versions, it is suitable for a wide range of applications. Ideal for protecting routers, CCTV cameras, IoT devices, embedded systems, and engineering projects that require reliable 24/7 power continuity.