The Petzl e+LITE is a great emergency kit headlamp! I have a few stashed in kits and such, but somewhat bulky. I am looking for a replacement for the eGgear EQ headlamp series. Example:
https://sep.yimg.com/ca/I/theshorelinemarket_2618_604051195It was inexpensive, bright enough, couldn't be turned on accidentally when packed up and very compact.