Rayovac Extra 312 Hearing Aid Batteries - 80 Pack + 8 Bonus

This comprehensive battery kit delivers 88 Size 312 hearing aid batteries total, combining 80 Rayovac Extra batteries with 8 bonus Udivita batteries for extended supply. Each air zinc battery operates at 1.45V with 180 mAh capacity, engineered to power modern hearing aids with reliability and consistent performance throughout their lifespan. Mercury-free construction makes these batteries safe for daily use, while Sound Fusion technology ensures stable, even power delivery across a wide temperature range. The optimised material concentration and innovative mixing method enhance anodic efficiency, helping you extract maximum performance from every battery. Whether you use one hearing aid or multiple devices, this bulk pack reduces the need for frequent replenishment and provides excellent value for regular users.