The RAYOVAC Crystal Clear Hearing Aid Batteries Size 13 (2 Packs) are replacement batteries for analog hearing aids. They are zinc-air batteries with a voltage of 1.45V, suitable for both ears. The batteries have a CE Certificate and come in a size 13 (orange) packaging. Packs contain the battery amounts below Pack 1 has 8 batteries Pack 2 has 7 batteries (1 x missing from the original pack amount) They have an expiry date of 2027 or after, making them a reliable and long-lasting power source for hearing aids. The Rayovac brand is known for quality and durability in hearing aid batteries.
