
About This Video:- Actually in this video I have shown you "How to Make an Air Collar At Home". Actually this is a "Portable rechargeable cooler". Due to which you can carry it anytime, guys I have used 18650 lithium battery in it. And its backup is 2/3 hours. I have shown you how to make this cooler with the help of "How to Make a cooler using cardboard" To make this I used all these components :- 1:- Coreless Drone, Propeller, 18650 lithium battery, Switch, Charging Module
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