Cheap And Discounts Hearing Aid Batteries 312 Hearing Aid Battery A10 A13 A312 A675 PR48 Size 10 P10 RAYOVAC EXTRA Zinc Air Battery For Hearing Aids Wholesale. Buy Directly From Merchant Hearing Healthy Care Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.