Today I am going to show How to make Powerful Emergency Light ,Fan ,Mobile Charger ( 3 In one). The materials I used are one 12 v 7 A battery ,car charger , 12v LED ,12 v Dc motor , fan blade ,two variable resistance , usb port ,charging port .The all material I bought from offline .You can buy from online like amazon or ebay. ------------------------------------------------------------------------------------------------\r
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