Originally Posted by balto charlie

Really. The batteries work in another light pretty well. The batteries PowerX 2700 ,AA, NiMH rechargeable, purchased Nov07. I do ride almost everyday but alternate between 2 sets of batteries. I contacted Fenix and they said sounds like something is wrong and to return them. They really answered my email immediately. I'm impressed. But if you say batteries I will buy a set of disposable AA, brand spanking new to test out. I can't see how both sets of my batteries showed the same problems at the same time. Thanks charlie