Profile: Rayovac Europe Ltd. is a producer and distributor of hearing aid batteries. We offer Cochlear Plus hearing aid batteries for patients with cochlear implants. We offer products like batteries, royovac proline, royovac extra, royavac cochlear plus, royavac mercury plus, accessory range & cross-reference. Our new improved hearing aid batteries means you get even crisper, clearer, longer lasting sounds than before. Improved rayovac proline premium zinc air hearing aid batteries offer you our most improved performance yet. Our mercury free meets growing consumer demand for more environmentally conscious products, at the same time as delivering consistent power and performance over its lifetime. The new battery offers performance that rivals other mercury containing products in today's market.