Newbie here need some help. I have been using my new 6p for a few days and now it won't turn on. I made sure everything is where it should be. I believe that the advertised run life is about an hour and I think I may have used it for that long but I thought the light would gradually get dimmer and then turn off. For some reason it will not turn on at all. Do I need to get new batteries or is this a bigger problem? :thanks: