240 RAYOVAC EXTRA SIZE 312 HEARING AID BATTERIES PR41 1.45V ZINC AIR 8BL NEW
Battery size: 312. Type: Zinc-Air. Other designations: 312, PR41, DA312. Made in United Kingdom. 100% authentic, original Rayovac product. RAYOVAC ® spent over 110 years thinking about batteries so you can think about them less.