Buy Duracell Specialty LR44 Alkaline Button Battery 1,5V, pack of 8 (76A / A76 / V13GA) designed for use in toys, calculators and measurement devices [ Amazon exclusive] Online at desertcartBahamas
I needed LR44 batteries awhile back, Amazon lists these 357 batteries with LR44 as a keyword. 357 are bigger than LR44. : r/assholedesign