The Toshiba Premium Zinc-Air Battery 13 (PR48) is a zinc-air hearing-aid battery engineered for consistent, long-lasting performance. It provides a nominal voltage suited for most size-13 hearing aids and cochlear implant processors, features the standard orange colour-coded tab for quick identification, and is ideal for dependable daily use and easy replacement.
| Battery Type / Size | Zinc-air, Size 13 / PR48 | 
| Nominal Voltage | ~1.4 – 1.45 V | 
| Typical Capacity | ~120 mAh (typical, depends on load) | 
| Dimensions | Diameter ~7.9 mm, Height ~5.4 mm (size-13 standard) | 
| Mercury Content | Mercury-free (Hg 0%) | 
| Colour Code | Orange tab (standard for size 13 / PR48) | 
| Application | Hearing aids and cochlear implant processors | 
| Shelf Life | Up to 4 years (unactivated, in original packaging) | 
| Product Categories | Batteries  | 
		
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