What are you using for lights? I get most of my batteries from the dollar store, when I'm not using rechargeables.
I have a motor powered headlight and tail-light on the grubee, but I haven't figured out how to run lights off my friction drive yet, so I've been using 2 x AAA rear blinkers and 3 AAA bicycle headlight, and a helmet light.
I sometimes use this:
Originally Posted by Allen_Wrench
I discovered my headlight and brake light going dim about the same time. So, being a payday, I was able to pick up a crapload of batteries. Enough to have spares. Headlight and brake light are once again as bright as ever. (Then I remembered I had spares in the trunk.)