Hearing aid batteries / Zinc Air Batteries 1.4 Types: A10,A13,A312,A675 2.High quality with stable performance 3. ... provide variety brands zinc air hearing aid batteries, four sizes , A10,A13,A312,A675.(Rayovac,Ultima,Powerone)Inner packing: 6pcs/blister ... . Customer company name packing available Hearing aid batteries of all kinds