The Mini Router UPS Board 40W V2.6 is a high-performance DIY uninterruptible power supply module engineered to keep networking hardware powered during electrical outages. Operating at a high capacity of 40W, this specialized circuit board supports multi-voltage DC outputs to keep internet routers, modems, and CCTV security cameras running continuously. The board features a built-in multi-stage LED battery capacity indicator (25%, 50%, 75%, 100%) for real-time power monitoring and includes heavy-duty protection circuits to safely manage external lithium-ion battery banks through its dedicated B+ and B- terminals.