Patent ID: 8727561

Claim:
A portable light comprising: a light source for producing light when energized; a switch for controlling energization of said light source; a light housing supporting said light source and said switch, said light housing having a cylindrical compartment for receiving batteries of different sizes, wherein the cylindrical compartment has a relatively larger diameter in a central region thereof and has a relatively smaller diameter at least at one end thereof; a single first electrical contact and a single second electrical contact disposed at opposite ends of the cylindrical compartment for making electrical connection to a battery when a battery is received therein, wherein the battery may be of a relatively larger diameter and a relatively shorter length or may be of a relatively smaller diameter and a relatively longer length, and wherein the battery connects to the single first electrical contact and to the single second contact regardless of the diameter and/or length of the battery; and the cylindrical compartment of said light housing having a cylindrical section defining the relatively smaller diameter at least at one end thereof, wherein the diameter of said cylindrical section is smaller than the diameter of a battery of a relatively larger diameter and is larger than the diameter of a battery of a relatively smaller diameter.