How to make 4LR44/4SR44/PX28/A544/476A battery replacement for your Pentax 67 & 6X7 with four pieces of LR44/SR44 button cells i… in 2021 | Pentax, Replacement, Button cell
LR44 Battery Equivalent
Duracell Alkaline 76A LR44 1.5 V 0.11 Ah Medical Battery 4 pk - Ace Hardware