Money-Saving Tip: Bust open a 12-volt battery

Twelve-volt batteries apparently contain eight button-cell batteries. This video over at Super Punch shows a 12-volt battery being surgically opened to reveal its contents. Who knew? (OK, probably some of you did, but I certainly didn’t!)

Cost of the batteries at Amazon:

• package of 2 12-volt Duracell batteries = $1.95: multiply 2 12-volt batteries by 8 1.5-volt button cell batteries equals 16 button cells for $1.95
• package of 3 1.5-volt Energizer button cell batteries = $5.85: 5 packages each containing 3 1.5-volt button cell batteries for total of 15 batteries costs $29.25

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