everActive ULTRASONIC 675 Zinc-Air Hearing Aid Batteries PR44 (6-Pack Blister)

For hearing aid users who rely on consistent, long-lasting power throughout the day, the everActive ULTRASONIC 675 batteries deliver dependable zinc-air performance in a convenient six-battery blister pack. Each PR44 cell activates quickly with a peel tab and provides stable 1.45V output for clear, uninterrupted hearing aid function at work, home, or on the go.

Key specifications

• Battery size: 675 / PR44
• Nominal voltage: 1.45V
• Typical capacity: 650 mAh
• Chemistry: Zinc-air, mercury-free
• Diameter: 11.6 mm, height: 5.4 mm
• Color code: Blue
• Packaging: Blister pack, 6 batteries
• Shelf life: Up to 4 years
• Operating temperature: -10°C to +50°C

Why choose it

These high-performance zinc-air cells are lead-free and cadmium-free, with stable voltage output for consistent hearing aid performance. The air-activated design ensures freshness until the tab is removed, and the blue color code makes size identification easy.

Ideal use cases

• Daily hearing aid replacement for size 675 devices
• Cochlear implant backup power
• Travel or emergency battery kits
• Home care and assisted living facilities

Good to know

After removing the protective tab, allow the battery to activate for about one minute before inserting it into the hearing aid. Store unused batteries in a cool, dry place and keep the blister pack sealed until needed to maximize shelf life.