Auto switching mini UPS DIY, DIY ups for router 7 hours backup. Please use 2A Power pack or charger. Because 12V is not working. Components used in this project :– 1. LM6009 Boost Converter 2. 3S BMS 20A or 10A 3. 2A Diode 4. 680 Ohm 1/2w 0:00 - 18650 Battery assemble. 1:13 - 3S BMS assemble. 8:04 - Using LM6009 Boost Converter. 13:35 - Testing. #miniups #diyups #diy #diyelectronics #homemade101 #3sbms