Your specs for the M1 are wrong, it’s 300 lumen not 140.
It’s a MUCH better deal at 300, and it makes more sense… EVERY CR123 light is brighter than a single cell AA light.
Bummer. The only one worth buying is sold out. I would have gone for 4.
OK, usually I get these references. The closest I get to this one is the “Lensman” series by E. E. “Doc” Smith. Enlighten us!
Let me clear up the confusion. The M1 used to be 150 Lumens. New production models are now 300 Lumens. That’s where the confusion comes in. It is certainly possible to purchase one of the new-old-stock 150 lumen lights and I suspect that is what we have here!