Stable 40W Backup Power for Routers and Devices This 40W mini router uninterruptible power supply board is designed to keep your network and low-power electronics running continuously during power outages. Ideal for WiFi routers, modems, ONT, IP cameras, and other 12V devices that require reliable backup power. Integrated UPS and Battery Charging Board The CA-403S integrates UPS and charging functions on a single board. It supports seamless switching between mains power and battery power, ensuring uninterrupted operation without reboot or data loss for your connected equipment. 12.6V Input with 4-Channel Output Design Featuring a 12.6V input and four independent output channels, this power module can supply multiple devices at the same time. The 4-channel output layout helps distribute power safely and reduces wiring clutter in compact networking or DIY electronic setups. High-Efficiency 40W Power Module Built as a high-efficiency DC power module, it delivers up to 40W of stable output with low heat generation. The optimized circuit design improves conversion efficiency, prolongs battery life, and ensures consistent performance under continuous load. Compact CA-403S Board for DIY and Embedded Use The CA-403S mini board format is suitable for embedded installations in small enclosures or custom projects. Its compact size makes it easy to integrate into router boxes, network cabinets, or DIY portable power systems. Color: As Shown Material: Electronic Component Package Contents: 1*UPS Power Board 1*Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.