I am looking for the brightest in terms of lumens wise keychain light that runs off of a single AAA nimh battery. Most of the lights that I have seen are all around the 70 lumen mark. Is there any available that is brighter up to 120 or more lumens. I don't really care about runtime too much as long as there is a low mode with it also to extend runtime when I want it to last longer. I am not really a fan of lithium ion cells so that would be out of the question.