How to Make Mini UPS For WiFi Router

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.

[@akashvarun3885]

Backup Kitana hai

[@TARUNKUMARDAHAKE]

8 hours se 9 hours ka