How to Make Mini UPS For WiFi Router Auto switching | 6 hours backup

In this video I will show how to make mini ups for wifi router old laptop battery. It double up the backup time. I am getting around 7-9 Hours back in my wifi router. Material Used- 1. 18650 Li-ion cell 2200mah (3nos.) 2. 3S BMS Circuit 3. XL6009 DC- DC Adjustable Step UP Boost Power Converter Module 4. Diode 1N4007 (2nos.) 5. Wire 6. PVC Box Thanks for watching this video. #homemade #diy #howtomake