Rayovac L13ZA-16ZM Hearing Aid 1.4 Volt, Size 13 Batteries, 16 Pack 

Overview: 

The Rayovac Zinc Air, Mercury-Free Hearing Aid Batteries are the world's longest-lasting and pose no threat to the environment. These cells have no added mercury and pass the U.S. Environmental Protection Agency's toxicity tests for cadmium and lead.

No hearing aid battery lasts longer than Rayovac.

The #1 choice of hearing professionals.

Model: L13ZA-8ZM

Features and Benefits:

Specifications:

* Remember to let your hearing aid batteries sit un-tabbed for one minute before putting them into your hearing aid. Giving the battery that extra minute allows air to enter and activate your battery.