I've had this very same flashlight for a little over 10 years and it served me diligently as my EDC. For work and home, unfortunately, it seems the (LED) bulb burned out, I've bench tested the bulb, seperate from its body, and it doesn't turn on. So, I've joined this forum, just, today, to ask can any one guide me to a website that I can purchase an equivalent (replacement) LED bulb? The following link is from a candlepowerforums.com post in 2010. I don't know how to post pics on here, from my iPad, yet.
http://www.candlepowerforums.com/vb/showthread.php?166261-river-rock-1-watt-AA-flashlight
http://www.candlepowerforums.com/vb/showthread.php?166261-river-rock-1-watt-AA-flashlight