Hey people want to make 12v battery pack at home and wondering where to start? then this article is for you! this is an awesome science project idea which shows from recycled batteries fully functional and less expensive 12v rechargeable battery can be made. Where 12v Batteries are used? The use of 12v battery is done almost everywhere, being specific in portable 12v electric drills, Electric bicycles, Radio controlled toys, Motor Bikes, 12v DC Motors and much more Where Homemade 12v Battery pack can be used i have made trail runs on my 775 DC Motor and also in starting my good old motorcycle and this works just fine purpose of making this battery pack was to power my electronic projects which needs 12v So