Rayovac 312 battery

Rayovac 312 hearing aid batteries (size 312). Zinc-air button cell batteries for hearing aids and other devices that accept size 312 batteries.

Technical details:
– Size: 312
– Color code: Brown
– Chemistry: Zinc-air
– Diameter: 7.9 mm
– Height: 3.6 mm
– Mercury-free
– Storage life: up to 4 years
– Country of manufacture: Made in USA with U.S. and global parts

Package contents:
– 6 x Rayovac size 312 batteries

Replacement information:
– Installation is performed by opening the device battery door and replacing the battery in the size 312 compartment, per the device manufacturer instructions.