Product Review

Rayovac Extra Advanced Rayovac is proud to offer world leading performance and the world's No1 selling hearing aid batteries Led by our latest product enhancement - Rayovac Extra Advanced - we push the boundaries in delivering high performance long lasting batteries for our customers. But it doesn't stop at the battery. We go that extra mile to meet the needs of our customers. The Rayovac Extra programme adds value to your product mix linking technical expertise with marketing and business support. Vital tools to help you enhance customer loyalty.