Effortlessly boosting the envious laurels of Nikon's batteries to much further heights, the Nikon MB-D14 Multi Battery Power Pack exhibits a highly modern aspect to its operation and is designed using the company's patented and greatly revered technology. This technology offers durability and endurance levels like never before. It has a compact built for easy installation, charges rapidly, and boasts of a performance that is not only incredibly efficient, but can also rival the best battery packs in terms of sheer professionalism and advanced engineering. It works best with the select Nikon DSLR cameras.