Varta Rayovac 4607 Acoustic 312 Hearing Aid Batteries Qty 6

These low powered hearing aid batteries are the equivalent to pr-41 hearing aid batteries and have been highly regarded as the "best hearing aid batteries".
The Environmentally-Sound Hearing Aid Batteries.
For convenience and performance.
The special range for all behind-the-ear and in-the-ear hearing aids as well as for hearing glasses.
Colour coding by size: Brown = 312.

System: Zinc-Air
Voltage: 1.4V.
Capacity: 90mAh.
Size (d x h): 7.8mm x 3.45mm.
Cross Ref.: 312AE, 312HPX, 312AP, PZA312H, PR41.