Renata Button cell 622644 - Renata X704468, Renata Button cell SR54, SR1131 is a 1.55 V, 60 mAh silver oxide button cell battery. It is particularly suitable for powering wristwatches and pocket calculators. This reliable and compact battery is commonly used in a variety of small electronic devices. Renata X704468 Silver Oxide Button Cell SR54/SR1131 1.55V 60mAh