Brian's Blog
Better 18650 Battery Holders

600 x zinc air hearing aid battery 675 a675 pr44 7003zd zinc air hearing aids 1.4v battery a675 model a675 voltage 1.4v norminal capacity 600mah dimension dia 11.6mm x 5.4mm chemistry zinc air packing 6 batteries per dial pack (1 card) expire as picture showing.