Eight LR932 Button Cells Inside One A23 Battery
Looking to buy some replacement A23 batteries on Amazon for my garage door openers, I read one review claiming that Energizer A23 batteries are filled with button cell batteries. Intrigued, I took apart my depleted Energizer A23 battery (see photo below). Lo and behold, eight button cells dropped out of the battery shell.
The button cells aren't marked with the size nor the voltage. Most button cells are 1.5 volts. And eight of them makes up the 12 volts on the A23 battery. The only other markings on them are the positive sign and the phrase, "BUTTON CELL". A bit of research on the Internet reveal they are LR932 button cells. Photo below shows the parts in a A23 battery.
I took apart the A23 battery for the button cells back in July, but I had a difficult time finding a use for them. The LR932 button cells isn't used independently in any particular device. It seems to be made solely for the A23 battery.
However, yesterday, I have finally found a way to use them in my laser sights: Using LR932 Button Cells Inside Laser Sights. I suspect you can use them in other devices using similar hacks.
I also bought MN21/23 Duracell batteries on Amazon (Spain). These batteries are not genuine Duracell, this is a scam ! Look closely at the photos, it is a pack of 8xLR932 batteries. Well done China, I still can not believe it ! I discovered it when my garage remote control was distorted by these batteries.
Both of these batteries are genuine. The battery industry changed how they made these batteries once mercury was not longer allowed to be used. You can not make a alkaline battery 12V with the chemistry unless you make it out of many cells. Alkaline chemistry only generates 1.5-1.6V max. So you have to use the eight cells to create the battery.
I just bought a Bob Ross bobble head figure and found that it "talks" but the three LR932 batteries were dead. Thanks for the hack
I had the same problem with the Bob Ross bobble head, the batteries were dead and I had a hard time finding replacements, so I took apart the A23 and low and behold, 8 little batteries that I needed, thanks for the advice !
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