A friend of mine is a flashlight fanatic. He gave me a Maglite that he converted. It is a two C-cell type and throws a great spot for distance.
My thoughts on this are that there are different types of duty the LED flashlights perform. The multiple LED types usually do not throw a good spot for distance. They are great for lighting up wide areas at short distances.
Then there are the more modern high powered single chip emitters that are great for distance but my not be great for trying to read in bed.
I still have a couple that Costco sold years ago. They were some of the early consumer priced single chip units at 2/$30. They use 2-AA batteries and are great for a bright beam. The main problem they have is a bad solder joint on the switches circuit board. I have taken mine apart and fixed them more than once or twice. My friend had problems with the switch failing. I don't know if he tried taking his apart, but he is even more of a taker aparter and fixer upper than me.
I think his current preference is for models that use the LED "chip" made by Cree.
jtk
"A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty."
- Sir Winston Churchill (1874-1965)