Thanks for the info, Hank!
OK. If this uses new technology LEDs, I assume those times refer to just the regulated output? Actual run time (although giving dimmer light) is much longer - right? That's the only way I can think these specs would make sense, especially when compared to something like the Princeton Tec Apex.
14 LED Duo (with alkalines) -
34m for 3.5 hrs (max)
26m for 10 hrs (opt)
15m for 63 hrs (min)
Apex using only 4 LEDs (with alkalines) -
23m for 8.5 hrs regulated - 100 hrs total run time (high)
13m for 14 hrs regulated - 150 hrs total run time (low)
If I'm reading this right... LED-for-LED the Apex seems to get more efficiency out it's LEDs, although the settings on the Duo appear to be more efficient overall than the Apex 4 LEDs.
So if this 14 LED module does use "new" LEDs, was the same module initially produced using the older generation LEDs (and later updated) - or do all 14 LED modules use the same LEDs? And if this IS an updated version, when did the update occur and how does a buyer know they are not getting the old stock version?
Do the 5 LED and 8 LED modules available now from retailers use brighter LEDs than before, or are they the same old modules? The current specs on the Petzl website are different from the old ones (I saved the old PDF), but could the difference merely be that Petzl is now quoting the regulated run time instead of the total run time?