Offbreed wrote:
Spehro Pefhany wrote:

These days you could just snap 25 or 50 9V batteries together, but I
suppose those folks had more time on their hands and could stack up
metal plates and put them in a jar with electrolyte. shrug


"jars" Plural. More plates in one jar give current.

Nope, depends on how they're connected - plates in series give more
voltage, in parallel, more current...