Pin Happy Girl

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Product Review: 12-volt A23 Battery = $40 of Button Cell Batteries

on December 28, 2012

batterypin

The $40 Hidden Inside a 12V Battery

It seems almost every toy we have for our children or gadget for ourselves requires batteries. And we need them in all shapes and sizes. Small electronic devices such as keyless vehicle entry systems, home security systems, garage door openers, and Bluetooth headsets commonly use the 12-volt A23 dry cell-type battery (also known as 8LR932, 8LR23, GP23A, MN21, 23AE or ANSI-1181A). Then there are those small gadgets like laser pointers, keychain flashlights, and little toys that make sounds, move and/or light up when you squeeze them, which typically use the 1.5-volt LR932 alkaline button cells.

laserPoint_batteries

The cost of batteries varies as much as the size, shape and voltage of the batteries themselves. When the battery in your garage door opener needs replaced, you can purchase a 2-pack of Energizer’s A23 batteries for an average cost of $1.88. Unfortunately, the typical laser pointer uses 3 LR932 batteries, which cost an average of $5 each. If you’re like most people, you usually opt to replace the gadget itself rather than its batteries, because it’s actually cheaper. I realize this doesn’t make sense, but that’s the way it is.

Now for the amazing part… Did you know that each A23 is constructed of eight individual LR932 alkaline button cells? Furthermore, using a small screwdriver you can peel away the outer housing of the A23 (there’s a split in the label/housing) revealing a piece of paper. Inside that paper you’ll find a stack of eight 1.5-volt LR932 button cells which may be separated and used individually. That’s a $40 value inside each A23 battery.

So, the next time you find yourself needing 1.5-volt LR923 button cells, remember that an investment of less than $2.00 for a 2-pack of A23 Energizer batteries will provide you with $80 worth of replacement cells.

Note: This is an easy hack that takes less than a minute to do. While most online descriptions caution that you must use the Energizer brand A23 12-volt battery. However, some people have claimed that Duracell’s MN 21/23 12-volt battery also contains 8 individual 1.5-volt LR932 alkaline button cells.

(Today’s blog entry is authored by my husband Kenn. Thanks, honey!)

Until next time, happy pinning!

Shelly

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