Question: what are sr 44 batteries?
Answer: It is also known as an SR44 or K576 and is a direct replacement for LR44, AG13, SG13 and several other cells. This style is among the largest of the most common watch batteries with a case that measures 11.6mm in diameter by 5.4mm thick. The output is 1.55V and typical capacities are in the 170 - 200mAh range.