I've been using it for a few weeks now, and after discovering on day 2 that it was dead from day 1, I've been charging it every night. Maybe time for another test; I can just turn the light on when I get home and see how long it lasts.

But really, I'm resigned to 30-40min duration from these batteries, for $27 it's still a good value, and meets my current needs, and I know I can spend another $20-30 someday to get some batteries that might last me a week. Certainly way way cheaper than what it would cost to get that kind of brightness from a "bicycle light".

Hey, I read your Good Ol Fashion Appalachian Butt Whoopin from your .sig! What a great travelogue! I made a web travelogue kind of like that once for a (much smaller!) touring trip I took with a college friend. I should dig it up and see if I can post it online again.