[This review was collected as part of a promotion.] Plenty of batteries in the pack, also from a great brand I can trust. My brother in law suffers from hearing loss after being deployed. He is quite thankful to have these batteries on him at all times so he can hear.
[This review was collected as part of a promotion.] Batteries rayocac for my hearing aid. Fit in perfectly and last so long. Easy to put in and take out.
[This review was collected as part of a promotion.] they last 2 weeks just like every other heading aid out there. even if I go a couple days without using the aid and have it off and open, battery still only last 2 weeks. period