The long-lasting, mercury free Rayovac Proline batteries are environmentally friendly, with consistent power and performance. Made in the USA!
- Never miss a moment with the world’s longest lasting hearing aid battery
- Rayovac Proline have 30% more battery life than other mercury free hearing aid batteries.
- The Proline Advanced batteries have consistent power and performance that rivals mercury-containing products on the market today.
- 4 sizes- 10, 13, 312, 675