The overcurrent protection circuit is tricky.
And rather sucky in my opinion if shorting allowed my battery's BMS to be killed.
And, yes, thank you VERY MUCH for posting this! If only I had seen this about, oh, 2 weeks ago, I might've made an attempt to repair my battery's BMS instead of replacing it. And I think I have a 4011 NAND chip from my childhood 101-in-1 radio shack electronics kit too! Haha.
For the next time I short the BMS!
(Why do some of these smilies look like aliens all of a sudden?
Can't forget the little green men!