Two hearing aids? Left has blue marker and right has red marker, remember red for right.
Hearing Aids Battery Size 13
Hearing Aids Battery Size 13
Size 13 is the most common hearing aid battery used in NHS hearing aids. It covers hearing aids from a wide range of manufacturers and for individuals from mild to severe losses. (last approx 14 days). You can find a list of hearing aids that fit Size 13 Hearing Aid Batteries below.
Check Price @ Amazon for size 13 hearing aid batteries.