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

Step 1: Materials and Tools

you will need:
AA battery
paper
aluminium foil
tools:
scissor
hot glue gun
multimeter

Step 2: Print!

first you have to print out this drawing to start to make this
fold the blue sides upward.
cut the diagonal lines and fold the tabs (that you have got while you cut the diagonal lines)
to each other. you have to got the shape on the second picture.

Step 3: Connectors

now you need the aluminium foil. cut down 2×10cm long pieces.then fold them to 1×1 cm piecies.
then stick them to the and of the shape that you got in the second step.

Step 4: Making the "wires"

now cut down 2×20 cm pieces from the aluminium foil then fold hem to thin wires.
after you did it stick them to the connectors

Step 5: Final Touches

now stick the whole thing to a carton board. put the multimeter's connector to the wires and put he battery in then turn on the multimeter.

thank you for reading!