Duracell Ultra Photo Lithium batteries, with M3 technology, are the most powerful Duracell lithium batteries to date. Available in 123, 223, 245 and CR2 sizes, Ultra Photo Lithium batteries offer a powerful solution for your APS, 35mm SLR, 35mm point-and-shoot and digital camera needs. They also have an excellent shelf life so you can be sure you'll always get that great shot.