675 Battery
Also known as: A675
Largest hearing aid battery with highest capacity. Zinc-air chemistry provides stable voltage and high energy density. Air-activated system requires removal of sealing tab. Color-coded blue for easy identification. Designed for power hearing aids and high-drain applications.
Quick Specifications
Voltage
1.45V
Capacity
600-650 mAh
Size
⌀11.6 mm
Height
5.4 mm
Technical Drawing
Dimensions shown in mm. Drawing not to scale.
Chemistry & Performance
| Chemistry | Voltage | Capacity | End Voltage |
|---|---|---|---|
| Zinc Air | 1.45V | 600-650 mAh | 1.1V |
Physical Specifications
- Diameter
- 11.6 mm
- Height
- 5.4 mm
- Weight (typical)
- 1.9 g
Standard Designations
IEC Code
PR44
Common Uses
- Power hearing aids
- Super power hearing aids
- Body-worn hearing aids
- Cochlear implant processors
- Bone-anchored hearing aids (BAHA)
Temperature Range
Operating
0°C to 40°C
Storage
10°C to 25°C
Data Sources
- Battery Equivalents - Hearing Aid Batteries Guide
Retrieved: 2025-09-01
- Wikipedia - Zinc-Air Battery
Retrieved: 2025-09-01