rotopenguin, 1 year ago (edited 1 year ago)

An AAAA cell has 200-350 mohms internal resistance. A 9v battery has 6 of them in series (many of them are literally that, others have their cells as a stack of plastic buckets). The nose ring is a short run of wire, it’s idunno a 0.2 ohm heater?

I think the septum is going to get pretty toasty.

data.energizer.com/pdfs/e96.pdf