I've carried one of these lights everyday for YEARS. It uses a AAA battery so I don't have to recharge it. It's tiny and bright enough to handle most situations. I was asked on a podcast one day about my single most-used piece of survival gear and this is it.
In November I had the opportunity to do a long podcast with these guys. They were a lot of fun. It was a video podcast but I’m only posting the audio. It was a pretty interactive podcast and we talked for a good long time. There’s plenty of info here