If your loop system on your hearing aid doesn't seem to be working, check the building you are in has it switched on.
Hearing Aids Battery Size 10
Hearing Aids Battery Size 10
Used mostly by hearing aids sold privately and is very occasionally used in the NHS. This battery is mainly for small in the ear hearing aids. ( last approx 10 days) You can find a list of hearing aids that fit Size 10 Hearing Aid Batteries below.