Camelion 6 x A13/ZL 13 Mercury-Free Button Cell Batteries 1.4 V 280 mAh Capacity for Analogue or Digital Hearing Aids 15056013 : Amazon.com.be: Electronics
CAMELION A13 Zinc-Air Button cell BP6
ER26500 C Size 3.6V Lithium Primary Battery for Specialized Devices – Batteries 4 Stores