Jerry G. wrote:
This battery type is long discontinued. If this is the old 22.5 Volt
battery. You can make one.

Get 15 of the small Lithium type watch batteries.
Err, are not the open cell voltages of the lithium around 3 volts?
That would make it 7 or 8 cells to get close to 22.5 volts.
Maybe a CR2025/35 or such

You might see if this would work:
2725 EB-505 22.5 Volt Carbon Zinc Battery (505/M504/V74PX/W10)

http://cablesandconnectors.com/0030012.HTM

I also recall garage door opener batteries that are 12 volts, two
would give you 24 volts. There about the size of a AA only shorter.

We used to use a 22.5 volt cell in portable phantom power supplies
for microphones. They looked like a 9 volt on steroids. Cannot
remember the number though.

Bob

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