Duracell Ultra Battery Photo DL2025 Twin, with M3 technology, is a powerful Duracell battery. Duracell ultra photo 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. For more photos and faster flashes, choose Duracell ultra photo lithium batteries. This is ideal for use in the home, school or office.