Being able to provide astounding power with durability on a consistent basis is certainly an admirable quality for any battery. But the Duracell AAA4-PK Alkaline Battery not only does this regularly and exceedingly well, it also brings about a sense of certainty while traveling with your camera, as they last longer than what is normally expected. Suited for a slew of products, all unwanted effects caused by environmental conditions are done away with and it works astonishingly well with even advanced equipments.