This Rayovac, zinc-air, 1.45V, size 675
hearing aid battery 8-pack, is the world’s longest lasting mercury-free hearing
aid battery on the market, and is recommended by 7 out of 10 hearing health
professionals. The 2nd generation,
mercury-free formula produces a higher voltage for quick start-up. Superior cell design resists swelling and
leakage which results in optimal performance and greater consistency. Rayovac has also mounted their longest tab on
this battery making removal from the package and insertion into the hearing aid
device a breeze!