Why Aren't There Any B Batteries?
We learn about different battery sizes when we're kids, which is when I learned it... ...we're kids, which is when I learned it took six D batteries to play cassettes on my boombox for about four hours- and that D batteries were heavy an...
https://www.neatorama.com/2016/12/27/Why-Arent-There-Any-B-Batteries/
