Rayovac Size 312 Hearing Aid Batteries, Hearing Aid Batteries Size 312, 12 Count

Customers find these hearing aid batteries offer good value and reliable performance, with one customer noting they work as well as more expensive alternatives. The batteries are convenient to use and dispense. However, customers disagree on the battery life, with some reporting they last at least twice as long while others say they only last four days. The ease of use is also mixed, with some finding them easy to open while others struggle with removing them from the plastic case.