Receive a handy 2 Cell Battery Holder Key chain, FREE with each order. (One Per Order);Size 13, PR48, P13, Comfort Pack;Power One provides additional safety even under extreme environmental conditions.;A highly developed film seal for every cell guarantees that the battery does not dry out or drain prematurely.;The stainless steel housing provides high-level stability and safe protection against corrosion.

• PowerOne Hearing Aid Batteries Size 13, PR48 (60 Batteries) + 2 Cell Battery Keychain Kit

PowerOne Hearing Aid Batteries Size 13, PR48 (60 Batteries) + 2 Cell Battery Keychain KitPowerOne