Duracell is a leading producer of alkaline batteries, specialized batteries and high -performance batteries. Since its establishment in the early 1940s, the company has become a recognized and trusted brand producing compact batteries and products with the longest life. Duracell DR9664 is a fully compatible replacement for the Olympus Li-40B and Nikon EN-EL10 battery. The capacity of this battery is 700 mAh and its voltage is 3.7V. The batteries are characterized by a long life and are covered by a 24 -month warranty. Specification: Compatibility with: Olympus Li-40B, Li-42B, Nikon EN-EL10, FUJIFILM NP-45 Capacity: 700 mAh Voltage: 3.7V type: lithium-ion