what's the highest capacity 14500 cell?

Hi BLF members, after reading some threads on 14500, I wonder what would be the recommended protected 14500 cells for “beginner”? Seems like some close contenders include,

Primary concerns include the “fitting” of cell into various flashlights. Some current lights include, SC52, XENO E03, Acher 1A
Also, have some similar questions for 18650 choice here. Many thanks!! :slight_smile: