Refined and simplified title: Renata 371 SR920SW Watch Batteries - 1.55V Silver Oxide (2-Pack)

Renata: Powering Your Timepieces for Over 50 Years Renata, the Swiss battery brand, has been trusted by the watch industry for over five decades. Founded in 1952 in Switzerland, the company's focus has evolved from producing mechanical parts for wristwatches to the research and development of high-quality silver-oxide cells to power them.

Renata's expertise lies in the end-to-end battery production process. Its modern, highly automated production plant features an extensive quality testing system, ensuring the reliability and performance of its products. In addition to watch batteries, Renata also manufactures lithium cells for consumer electronics, with research, development, production, and quality testing all based at its headquarters in Itingen, Switzerland.

Renata's commitment to quality is evident in its certifications, including ISO 9001 and ISO 14001 from Bureau Veritas (updated in December 2020). Its batteries are 100% mercury-free and feature sophisticated leak-proof sealing technology, ensuring high-capacity retention and optimal performance, whether for high or low drain applications.

Renata's watch battery line (SR) is developed in cooperation with the Federation of the Swiss Watch Industry, offering a zero-mercury range in over 30 sizes. These quality batteries are designed to power watches and electronics requiring compact, long-lasting, low-voltage power. Renata is a Swatch Group company, alongside renowned Swiss brands such as Swatch, Tissot, Longines, and Omega.

For your consumer electronics needs, Renata offers a wide range of 3-volt lithium batteries (CR) that are laboratory-tested and approved to meet high-quality standards. These reliable coin cells can be used for memory backup, medical and fitness devices, measuring equipment, sensors, security devices, entertainment gadgets, remotes, and more.

Renata's expertise extends to hearing aid batteries (zinc-air), engineered to power both analog and digital assisted devices. Packaged in easy-to-use dial cards, Renata offers all popular sizes – 10, 312, 13, and 675 – with precision-made batteries from Switzerland and Germany.

Whether you're powering your timepiece, consumer electronics, or hearing aids, Renata's commitment to quality, performance, and reliability ensures your devices are always ready to perform. Explore the Renata battery lineup and experience the Swiss-made difference.

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