Smaller batteries use a 2-amp charger. This includes batteries for golf carts, motorcycles, and similar equipment. Most car batteries should use a 10-amp charger. Turn on the battery charger and check the movement of the needle on the meter. It should move to the desired amps that you want to charge the battery too.
LR44 Battery Dimensions. LR44 battery feature diameter of 11.6 mm (0.457 inch) and height of 5.4 mm (0.213 inch). 11.6x5.4 mm batteries are available in several chemistries, each one having slightly different features and to help the confusion, each manufacturer may use slightly different labels.