Rayovac Extra Advanced is now called Rayovac Extra (so without the addition Advanced). They are the same batteries, only the new packaging differs in that the text Advanced is no longer printed on it.

Rayovac 10 (PR70) Extra Advanced are among the most-sold hearing aid batteries in the world. Rayovac 10 (PR70) Extra Advanced combines reliability with a long lifespan. What's more, Rayovac 10 (PR70) Extra Advanced always offer stable and consistent performance. The Rayovac 10 (PR70) Extra Advanced battery can be used interchangeably with battery types 10, PR70, LR70, PR536, B0104, B20PA, DA10H, DA10N, 10HP, 10HPX, AC10E, AC10EZ, AC10, 10UP, 10DS, ME10Z, PR230H, P10, 230, L10ZA, 10AE, 10A, R10ZA, ZA10, 10SA, S10A, ZA10, V10, V10HP, W10ZA, A10, ZL10.