Originally Posted By: WesleyH
I don't know that I would ditch the cyalumes so quickly. They are cheap and they have a decent shelf life. (even the cheap .98 cent party versions at Walmart.) They give usable light for 8 to 12 hours and more importantly, they don't have small parts which can get dropped or lost easily.

For the investment, they are a good backup.

But can be accidently be activated, takes relatively a lot of space and generate a not so usefull light.

When light is essential I generally carry a spare headlight. Your primariy light can not only run out of batteries, but also lost or damaged.