Rayovac
Pack codes printed by Rayovac, linked to the standard battery sizes on this site. Not affiliated with or endorsed by Rayovac.
Official technical resources: www.rayovac.com/
Pack codes we list
Rayovac Size 312 · zinc-air · 1.45 V
Hearing-aid zinc-air, size 312.
Sources
- Rayovac · checked 2026-10-12