Picture of a disassembled Duracell 9v battery. Below the terminal assembly is a clear plastic case where you can see six sets of stacked rectangular terminals and fillings.
this post was submitted on 03 Dec 2023
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Mildly Interesting
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Those super expensive rechargeable batteries they sell for cordless power tools have smaller cylindrical batteries inside, wired together.
The Torque Test Channel on YouTube took some apart for their insane Dewalt backpack battery modification video. It's a fun watch.