Maxell is the first company in Japan to successfully market button-type silver oxide batteries. Based on many years of experience and know-how in various fields, the SR battery is suitable for precision electronic devices such as quartz watches, where high-energy density per unit volume and a stable operating voltage are required. Various product lineups are available to meet the growing need for supplying power to various types of watches, ranging from large to compact, thin models. Zero-mercury, zero-lead added types are also available. Additional Details ------------------------------ Product description: Maxell Watch Battery Button Cell SR41SW 384. Maxell is a worldwide leader in small electronics batteries. Maxell offers a full line of Watch Electronic Specialty Batteries for applications used in precision engineering tools to power a wide variety of small electronic devices. Maxell batteries are used in home health devices such as glucose monitors, blood pressure cuffs and digital ear thermometers. Also, button cells can be used in keyless remote entry systems for cars and homes. Hand held electronic devices also use batteries in calculators, watches, photo camera, computers, audio books, games, toys and more. A Cross-reference information guide is inclued in each order. Made in Japan.