A portable light may comprise: a light body having a light source near one end for emitting light in a substantially transverse direction; a switch actuator near the end of the light body for controlling the light source; and a stowable hanger affixed to the light body near the end thereof. The light body may have an external opening and a given cross-sectional shape and size for receiving a light source module having an exterior of the given cross-sectional shape and size. The light source module may comprise: a light source, a reflector, a heat sink thermally coupled to the light source, a lens, reflector, and a lens ring holding the lens. The portable light may also comprise: a clip extending adjacent the light body in a longitudinal direction, wherein the clip is rotatably mounted so as to be movable about the light body.