Description
The new design delivers energy where it’s needed, prolonging the life of the battery and ensuring a consistent and precise listening experience.
Rayovac Extra Advanced hearing aid batteries take advantage of the new Active Core Technology; a breakthrough new cell design which maximises internal space to hold more active ingredients, providing longevity, reliability and power needed to cope with any situation.
![Active Core Technology Battery](https://www.hearingaidaccessories.co.uk/wp-content/uploads/2018/11/ACPlus_Cell_Inside-300x235.png)