Primary lithium batteries absolutely do leak, given enough time. Often the victim is an old Mac motherboard, search for "mac pram battery ruined motherboard" on an image search engine of your choice.
Haha, you just reminded me about replacing motherboard CR battery. Recently I was fixing over five years old computer, noticed the battery and thought "What does it do, I wonder if it works, perhaps I should replace it?".
undebuggable|1 year ago