I always have a 500 lumen Petzl headlamp with me. They take a rechargeable battery or three triple-As so are extremely flexible and you don't have to push and h

I always have a 500 lumen Petzl headlamp with me. They take a rechargeable battery or three triple-As so are extremely flexible and you don't have to push and hold to get to the exact brightness like you do with Black Diamond lamps.