Are you looking for an excellent button cell for your hearing aid? GP has the perfect button cell for each hearing aid. The color for button cells of type 312 is brown. A zinc-air button cell for hearing aids with a diameter of 7.9 mm and a height of 3.6 mm. GP batteries are known for their longevity. With normal daily use (12 hours), the service life is approximately 11 days (depending on the type of hearing aid). Type 312 is a 1.45 V battery. The batteries are not rechargeable. The handy blister pack contains 6 button cells. If you don't want to go out empty, you can stock one or more sets. Extremely reliable, durable and safe. Button cells from GP provide continuous and withstand any weather: Extreme cold and high heat. Avoid leaking batteries by immediately removing empty batteries. Please do not throw used batteries into the normal waste; dispose of them in an appropriate way at collection points for old batteries. Always keep the button cells out of the reach of children. Storage at room temperature.This text is machine translated.