Size 312 PR41 DA312. No hearing aid battery lasts longer.

Battery Type: Size 10
Battery Quantity: 8 Batteries
Features: Replaceable Battery
Manufacturer Warranty: See Packaging
MPN: 50240463
Department: Unisex Adults, Unisex Kids
Sub-Type: Hearing Aid Batteries
Unit Type: Unit
Labels & Certifications: CE Certificate
Number of Settings: 1
Power Source: Battery
Country/Region of Manufacture: United Kingdom
To Fit: Both Ears
Colour: Yellow / Brown / Orange
Model: Various
Expiry Date: Long Date
Sound Processing: Digital
Unit Quantity: 8/80
Brand: Rayovac
Type: Hearing Aid Battery
Items Included: Hearing Aid Battery