The Complete Guide to Hearing Aid Batteries. Buy the Best Hearing Aid Batteries,Compare Prices and Read Hearing Aid Batteries Reviews. We offers hearing aid batteries in a variety of sizes including size 5, 10, 13, 312 and 675. Please visit our hearing aid batteries page. Sonus is focused on helping you with your hearing loss. Our hearing care specialists can help you choose which hearing aid is right for you Tags : hearing aid batteriesr All