Size 312 Batteries

Compatible with the MDHearingAid CORE and LUX models.

Power your hearing aids with long-lasting size 312 batteries. Each battery can last between 5-12 days, depending on use and hearing aid model.

  • Brown tab
  • 1.45V Zinc-Air
  • Mercury-free
  • Made in the USA


For best results, keep batteries stored in original packaging with tab on until use. After removing the adhesive tab, wait one (1) FULL minute before inserting into device for battery to become fully operational.

Price Range: $3.95 - $32.50
Size 312 batteries, quantity of 4
Size 312 batteries, 1 box of 40