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Picture of AA battery voltage tester
its an cheap and easy instructable its  fast to make  it will shows how to make this battery tester .

Step 1: Materials and tools

Picture of materials and tools
you will need:
AA battery
paper
aluminium foil
tools:
scissor
hot glue gun
multimeter
 
ironsmiter4 years ago
looks fun, but why not just place the battery on the table, then touch the probes directly to the battery terminals?
Gernerakos (author)  ironsmiter4 years ago
I know it has no sense but i was boring