12 volt se +12 ,0 ,-12 volt se lekar +60 ,0 ,-60 volt banaye

subhashdjsawayajpur subhash dj sawayajpur Subhash electronic Subhash electronic sawayajpur Subhash SAWAYAJPUR 12 volt se 12 0 12 ya 60 0 60 volt tak banaye how to make 12 0 12 volt by 12 volt how to make 12 to 60 volt by 12 volt of any 12 volt battery

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