Every self-respecting geek loves gadgets. I'm no exception. And so many of my favorite gadgets have a voracious appetite for batteries. I don't know why all the other battery types fell so far out of favor, but between AA and AAA, I could probably power 95% of my household gadget needs.
This is a companion discussion topic for the original blog entry at: http://www.codinghorror.com/blog/2008/03/adventures-in-rechargeable-batteries.html