- Built-in lithium battery\r\n- Auto start when connected to the adapter\r\n- Auto shutdown when battery undervoltage\r\n- Support charging when the machine shutdown\r\n- Undervoltage & short-circuit protection\r\n- Push the switch to switching rated output voltage\r\n- Auto close output with LED flashing to remind short-circuit\r\n- Support battery self replacement by opening the cover\r\n- CE certification proves the high quality and reliability\r\n- Compact and contemporary design, easy to install and use\r\n- User friendly multi-LED status indicators\r\n- 5V USB DC output for charging cell phones, PDA, PSP, IPOD, MP4, etc.\r\n- Application: router, modem, wireless phone, CCTV