Have you ever seen the inside of a 9 VDC Battery?

[K4EET]

There are six little 1.5 VDC batteries in series which makes up a 9 VDC battery.

6 batteries x 1.5 VDC/battery = 9 VDC

 

[RFI-EMI-GUY]

Followup question. How many test a 9V battery with their tongue?

 

[K4EET]

Followup question. How many test a 9V battery with their tongue?

I guess for those without a battery tester function on their volt-ohm meter (VOM) or without a VOM altogether, that may be the shocking truth to how many test their 9 VDC batteries. I was never able to get a good calibration on my tongue though to get an accurate reading of battery health.

 

[RFI-EMI-GUY]

There are three voltage thresholds, yep dead, meh, and yikes!

I recall the older 9V carbon zinc batteries used 6 flat cells that were oval shaped and stacked inside the case. Now the tubular 6 x AAAA pack is prevalent. There were 22.5V photo flash batteries that were a long 15 cell version of the old style 9V battery.

 

[K4EET]

There are three voltage thresholds, yep dead, meh, and yikes! <snip> There were 22.5V photo flash batteries that were a long 15 cell version of the old style 9V battery.

on the "taste test" of checking a 9VDC battery charge status... Also, I did not know that about the "old style 9V battery" and the photo flash batteries. I did a Google search for information but did not come up with anything. Perhaps I was using the wrong search terms and Boolean logic.

 

[RFI-EMI-GUY]

on the "taste test" of checking a 9VDC battery charge status... Also, I did not know that about the "old style 9V battery" and the photo flash batteries. I did a Google search for information but did not come up with anything. Perhaps I was using the wrong search terms and Boolean logic.

various 9V batteries opened including sandwich style cells.

Disassembly of 9V Alkaline batteries

22.5 V Battery

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[K4EET]

@RFI-EMI-GUY, thanks for the links! Very interesting stuff there! 73, Dave K4EET

 

[bharvey2]

Followup question. How many test a 9V battery with their tongue?

Been playing that game for years. As a kid, it was the variation of the tongue on the metal pole in A Christmas Story (albeit long before the movie came out) I also remember as a kid, my dad bringing an old, used 60VDC battery home from work. Never tried it on my tongue but wetting a couple of fingers on one hand and touching the poles made for a good little shock. Oh man, good times!