These are the top of the line batteries from Rayovac, with up to a 4 year shelf life and guaranteed freshness. Rayovac Proline are only sold through Audiologists and Hearing Aid Dispensers.According to Rayovac, Proline Advanced are the longest lasting battery and Rayovac is a leader in hearing technologies! Rayovac uses digital imaging and 104 quality checks to test every battery so we can ensure you receive a powerful consistent battery every time.
- Total of 48 Premium Zinc Air Batteries, Made in the USA
- Compatible with all Size 13 Hearing Aid Batteries
- Up to 4 Year Shelf Life
- Now Contains Zero Mercury
|Brand Name||Proline Advanced|
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