Originally Posted by
mechBgon
Given the very, very short runtime on the Radbot 1000, you'd better bring along your spare AAAs and Phillips screwdriver

As a practical alternative, consider the Planet Bike BRT-5, which is a legit reflector and reasonably good light with better runtime.
I am researching that now. The fender mount is a different light than the standard Radbot 1000,
http://www.ridepdw.com/goods/lights/fenderbot%E2%84%A2 , I will need to send an email about the fenderbot and changing battteries
From what i can tell the BRT-5 mounts on the rack . Yes i will use that on the rack but it doesn't work on the fender
OK! I found a review
http://kentsbike.blogspot.com/2010/0...ot-review.html
One screw to loosen to change batteries . I like that idea at least until i need to change batteries in the rain