6 Duracell Activair Hearing Aid Batteries   312 / Brown Also known as: AC312 , ZA312 , PR41 , V312 , DA312 VOLTAGE: 1.4V  The Energy behind the Art of Listening.The Duracell Activair zinc air range powers all popular types of hearing systems, including high and low power, digital and analog models.Color-coded tabs ensure easy size recognition by the customer. Duracell Combining superb long lasting performance with revolutionary easy to use Duracell Activair meeting real consumer needs. EasyTabTo hear well means so much, and never more so than today.Todays advanced hearing systems need advanced batteries, like Duracell Activair.Duracell Activair has always offered hearing care specialists the ideal choice, with great performance and unbeatable consumer acceptance.The EasyTab makes changing batteries easier than ever.