The batteries are mercury-free and have a corrosion-resistant shell for more power and improved conductivity. Proven packaging for easy removal, patented technology from the world's No. 1 hearing aid battery manufacturer.
| Property | Value |
| IEC designation: | PR 44 |
| Size designation: | Button cell |
| Designation: | Zinc/air |
| Diameter: | 11.6 mm |
| Height incl. poles: | 96 mm |
| Nominal voltage: | 1.45 V |
| Weight: | 1.80 g |
| Capacity: | 640 mAh |
| Use in Ex areas: | no |
| Number of cells: | 6 |
