Which models specifically? There's quite a few, Petzl do the Tikka, Tikka Plus, Myo 3 and Myo 5 all of which use LEDs and Black Diamond also have a few variations, there's the Moonlight, then there's also a new, upgraded Moonlight for this year with more battery power, so I guess it depends on what you compare with what. To be honest, all LEDs last quite a while. Where the Moonlight definitely has the edge is in robustness. It is really tough, I threw it out of a second storey window twice then against a wall as hard as I could and all it did was scratch the casing slightly.
