I just decided to Maglite 2AA LED as they already as the name suggests with AA batteries / accumulators is operated. These are already available in a large selection and power levels in our household. Previously had a flashlight with 5 LEDs each powered by AAA batteries. The light output is many times higher. I think is similar to a normal 2D Maglite without LED. Am now looking forward to the energy consumption. But the test (2500 m / AH) at home enough AA batteries. It is nachberichtet