If your device uses any of the following batteries, this is what you are looking for : lr41,ag3, 392 ,357,sr44w,sr41sw.
high quality: tested under strict quality control standards. ce and rohs certified. grade a cells lr41 ensure longer battery life and long lasting power
get the exact fresh lr41 battery, have full 1.5 volts charge, 3 years shelf life.
primarily used in many small electronics, thermometers, watch, calculators, toys, watch,laser pointers, children books, medical devices and so on.