56 pack of Rayovac Size 13 Hearing Aid Batteries to power your listening device Duracell hearing power, budget friendly price Certified Child Resistant packaging* *Senior Adult Test, Sequential Child Test, CPSC 16 CFR PART 1700.20, August 2023, Prepared by Child Related Research, Inc. Rayovac hearing aid batteries have longer battery tabs that are easier to grab Batteries won’t swell, leak, or damage devices Recyclable packaging Rayovac size 13 hearing aid batteries hold power for up to 4 years in storage Mercury Free