Jul
29
HOW TO MAKE A COIN BATTERY
HOW TO MAKE A COIN BATTERYSupplies you will need 6-8 Pennies (or more)6-8 Nickels (or more)Paper Towels or Coffee Filters1/4 c. White Vinegar1 Tbsp. SaltMultimeter (voltage testing meter)Small LED Pin Light This coin battery will actually produce a voltage similar Read more