How to make 12v ups for wifi router || diy ups for wifi router

hello guys, today we will be making 12v mini ups for wifi router using 18650 cells and some other materials which you will get easily in local markets,
don't worry i will also provide online links.
list of materials :
4x4 inch pvc box
https://www.amazon.in/Blue-Orange-Square-Junction-Cameras/dp/B089K6MJZZ/ref=asc_df_B089K6MJZZ/?tag=googleshopdes-21&linkCode=df0&hvadid=397228226091&hvpos=&hvnetw=g&hvrand=4370736168086117524&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9303213&hvtargid=pla-1114287981992&psc=1&ext_vrnc=hi

18650 cells 3.7v 2200 mAh (3)
https://robu.in/product/orange-icr-18650-2000mah-20c-lithium-ion-battery/

3s bms 10a
https://robu.in/product/3s-12v-18650-lithium-battery-protection-board-12v-10a-overcharge-overcurrent-protection/

3s battery indicator
https://robu.in/product/3s-18650-li-po-lithium-battery-capacity-indicator-module/

mt3608 module
https://robu.in/product/mt3608-2a-max-dc-dc-step-power-module-booster-power-module/

spst switch
https://robu.in/product/spst-rocker-switch-pack-of-3/

micro switch (optional)
https://www.amazon.in/Chauhan-AbhiyantrikiTM-Tactile-Switch-Micro/dp/B07QRH2974/ref=sr_1_1?crid=53XVBYTT1OXD&dchild=1&keywords=micro+switch+4+pin&qid=1613967982&sprefix=micro+switc%2Caps%2C266&sr=8-1

1n5408 diode
https://www.amazon.in/1N5408-Diode-1000-volts-20pcs/dp/B07BJ64RTQ/ref=sr_1_1?crid=3K258SRIX9AKR&dchild=1&keywords=1n5408+diode&qid=1613968078&sprefix=1n5408%2Caps%2C258&sr=8-1

dc jack male and female 2 sets
https://www.amazon.in/Female-Socket-Panel-Mount-Connector/dp/B07P74NPGQ/ref=sr_1_1?crid=2FEUGWA1EGXUN&dchild=1&keywords=dc+jack+male+female&qid=1613968129&sprefix=dc+jack%2Caps%2C264&sr=8-1

Music
Song: Markvard - Time (Vlog No Copyright Music)
Music provided by Vlog No Copyright Music.
Video Link: https://youtu.be/NvZ3CN-vvsw

Song: MBB - Feel Good (Vlog No Copyright Music)
Music provided by Vlog No Copyright Music.
Video Link: https://youtu.be/wIDKJeLXO5Q

Song: MBB - Island (Vlog No Copyright Music)
Music provided by Vlog No Copyright Music.
Video Link: https://youtu.be/0fLMSubepkY
#12vups #18650cell #3sbatterypack #18650batteryprojects #wifirouter #firstvideo #diyprojects #creativeelectrohub
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