To everyone, I just got the 2 Streamlight Protac 1L-1AA and I just tested one of them. It runs on AA, AAA, cr123, and amazingly is working with Lumintop 14500 920 mAh 3.7 volts. I will see if the fenix, nitecore, and Klarus 14500s work.
With the 14500, it does cycle through High, Strobe and...