XM-L2 on low voltage?

If i understand how emitters work correctly, if i were to run an XM-L2 DD on a new alkaline or Nimh AA, it would just barely glow, correct ?

I have ideas for this if it works.

nope. at least give it 2 dying alkalines if not you won’t even see moonlight.

things start showing on 2.3 volts on my experiences