Amazon.com: PowerOne ACCU Plus Size 312 Rechargeable Hearing Aid Batteries - Size 312 Hearing Aid Batteries - Includes Hearing Aid Pouch and Liberty Hearing Aid Battery Keychain : Health & Household
Power One ACCU Plus Battery Charger for 13, 312, and 10 batteries
Amazon.com: Power One Size 312 Zinc Air Hearing Aid Batteries (1 pack) : Health & Household
Power One ACCU Plus Rechargeable Hearing Aid Battery, Size P312 + Pocketcharger