Description: Maxell Hearing Aid Batteries Are Manufactured In The World’s Largest And Most Up-to-date Hearing Aid Battery Plant In Germany/japan. These Batteries Are Eco-friendly, As They Are Mercury-free, And Wireless Approved For Modern Hearing Aids. Maxell Batteries Offer Premium Performance And Exceptional Durability Along With The Patented Stable High-level Of Voltage That Maxell Is Renowned For. Compatible With All Hearing Aid Brands – Resound, Widex, Oticon, Siemens, Starkey, Phonak, Bernafon, Unitron, Sonic, Rexton, Signia, Blamey Saunders, Hanstaton, Costco, Advance And More! Long Shelf Life: We Offer Fresh, Premium Hearing Aid Batteries. A We Continually Replenish Our Stock, Ensuring You The Longest Shelf-life Batteries.