MODIFY MINI HIGH SPEED ROTARY GRINDER TOOL TO USE ANY BATTERY 

MY MINI GRINDER FROM ALIEXPRESS DIDNT CHARGE SO I USED A SMALL EXTERNAL 2S LIPO BATTERY. HOWEVER IT KEPT CUTTING OUT, SO THE WIRING MUST HAVE BEEN BAD. INSTEAD OF JUST FIXING THE WIRING I DECIDED TO USE A MALE BALANCE PLUG SO I COULD TAP INTO THE NEVER ENDING SUPPLY OF CHARGED LIPOS AT MY DISPOSAL. NOW I DONT HAVE TO WORRY ABOUT CHARGING MY MINI GRINDER

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