No hearing aid battery lasts longer than Rayovac Size 13 Hearing Aid Batteries. Engineered with an advanced formula, the cells in each mercury-free size 13 battery provide consistent, high-quality performance for power-hungry hearing aid devices. Use thes Brand Name: Rayovac Battery Type: Zinc Air Battery Size: 13 Volts: 1.45 V Product Type: Hearing Aid Battery Number in Package: 6 pk Usage: Hearing Aids Rechargeable: No Packaging Type: Carded .
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