Renata

Renata is a Swiss battery company based in Itingen and a subsidiary of The Swatch Group. The business originated in 1952, when Kurt Zehntner established it as a manufacturer of components for mechanical watches. Its early connection with the watch industry shaped the company’s later specialization in compact power sources for watches and other small electronic devices. Renata diversified into coin and button cells in 1974, moving from watch components into the manufacture of miniature batteries and related technologies. The company became part of SMH Swiss Corporation for Microelectronics and Watchmaking Industries Ltd in 1982. SMH was subsequently renamed The Swatch Group in 1998, placing Renata within a broader Swiss group whose activities include watches, watch components, electronics, and related manufacturing capabilities. Renata continues to operate as a specialist battery business within that group. Renata’s portfolio is centered on compact primary batteries and supporting products. Its silver-oxide cells are used in applications such as wristwatches, calculators, and small electronic toys. Zinc-air batteries are supplied for hearing aids, where high energy density in a small format is important. The company also manufactures lithium primary cells for non-rechargeable applications, including computer backup power and other electronic equipment. In addition to cells, Renata supplies battery holders and develops encapsulation technologies used in cell and battery assemblies. Its industrial offerings include rechargeable lithium-polymer batteries, extending the business beyond traditional disposable button cells. The brand’s positioning is therefore based on miniaturization, dependable power delivery, application-specific battery chemistry, and compatibility with compact electronic products. Its heritage in watch components and its ownership by The Swatch Group connect it particularly closely with the Swiss watch and microtechnology ecosystem, while its battery technologies serve customers in consumer electronics, hearing care, industrial equipment, and other specialized markets. Publicly available reference material identifies the company’s principal technologies and corporate history but does not provide enough information to document detailed sales figures, geographic revenue distribution, current executives, major advertising campaigns, or a complete list of production locations.

Renata was founded in 1952 by Kurt Zehntner as a manufacturer of components for mechanical watches. This origin placed the company within Switzerland’s established watchmaking and precision-manufacturing sector. Rather than beginning as a general-purpose battery producer, Renata developed from a business serving the specialized requirements of mechanical timepieces. In 1974, Renata diversified into coin and button cells. The move broadened its role from supplying watch components to producing compact power sources suitable for watches and other small electronic products. Coin and button cells became the core of the company’s identity, supporting applications where limited physical space and dependable output are essential. Renata was acquired in 1982 by SMH Swiss Corporation for Microelectronics and Watchmaking Industries Ltd. The acquisition connected the battery manufacturer with a larger Swiss group focused on watchmaking, microelectronics, and related industrial activities. In 1998, SMH adopted the name The Swatch Group. Renata has since operated as a subsidiary of The Swatch Group, retaining its specialization in batteries, cell technologies, and associated components. The company’s technology portfolio includes several battery chemistries. Silver-oxide cells serve wristwatches, calculators, small electronic toys, and comparable devices. Zinc-air cells are intended primarily for hearing aids. Lithium primary cells provide non-rechargeable power for applications such as computer battery backup and other electronic equipment. Renata also offers battery holders and encapsulation technologies, which support the integration and protection of cells in finished products. Its industrial range includes rechargeable lithium-polymer batteries, giving the company a presence in secondary, or rechargeable, battery applications as well as in traditional primary cells. The available reference material does not establish a detailed chronology of individual product introductions, plant expansions, marketing campaigns, leadership changes, litigation, or financial performance. Renata’s documented history is instead defined by its 1952 foundation in watch components, its 1974 entry into coin and button cells, its 1982 acquisition by SMH, and its continuing position within The Swatch Group after the group’s 1998 renaming.

• 1998

  SMH becomes The Swatch Group

  [1]Renata (battery)en.wikipedia.org

  SMH was renamed The Swatch Group, under which Renata continued as a subsidiary.

• 1982

  Acquisition by SMH

  [1]Renata (battery)en.wikipedia.org

  Renata was acquired by SMH Swiss Corporation for Microelectronics and Watchmaking Industries Ltd.

• 1974

  Entry into coin and button cells

  [1]Renata (battery)en.wikipedia.org

  Renata diversified from mechanical-watch components into the production of coin and button cells.

• 1952

  Renata is founded

  [1]Renata (battery)en.wikipedia.org

  Kurt Zehntner founded Renata as a manufacturer of components for mechanical watches.

A Swiss specialist in miniature batteries and related technologies, with particular strength in coin and button cells for watches, hearing aids, consumer electronics, and industrial equipment.

• Primary button cells

  Silver-oxide cells

  Renata’s silver-oxide batteries are compact primary cells designed for devices requiring stable power in a small format. Referenced applications include wristwatches, calculators, and small electronic toys. They represent a central part of the company’s traditional coin- and button-cell business.

• Hearing-aid batteries

  Zinc-air cells

  Renata produces zinc-air cells for hearing aids. This chemistry is suited to compact hearing devices, where small dimensions and useful energy capacity are important. The available reference identifies hearing aids as the principal application but does not specify individual product series or launch dates.

• Non-rechargeable lithium batteries

  Lithium primary cells

  Renata’s lithium batteries include primary, non-rechargeable cells for electronic equipment. Cited applications include computer battery backup and other devices requiring compact stored energy. The reference material does not provide model-level specifications or a complete application list.

• Rechargeable industrial batteries

  Lithium-polymer batteries

  The company supplies industrial-use lithium-polymer batteries, which are rechargeable secondary batteries. These products extend Renata’s portfolio beyond disposable coin cells into industrial energy-storage applications. Publicly available reference material does not identify specific customers, capacities, or product families.

• Battery components and integration technologies

  Battery holders and encapsulation technologies

  Renata also provides battery holders and associated cell or battery encapsulation technologies. These offerings support the mechanical integration, protection, and replacement of cells in electronic and industrial products. The reference material describes the capabilities at a portfolio level rather than naming separate commercial product lines.

• 1982

  Acquisition by SMHM&A

  Background

  Renata operated as a Swiss specialist manufacturer with roots in watch components and miniature batteries.

  Action taken

  SMH Swiss Corporation for Microelectronics and Watchmaking Industries Ltd acquired Renata.

  Aftermath

  Renata became part of the corporate group that was later renamed The Swatch Group in 1998.

  Source

• 1974

  Diversification into coin and button cellsStrategy

  Background

  Renata had originally been established as a manufacturer of mechanical-watch components.

  Action taken

  The company expanded into the manufacture of coin and button cells, establishing the battery specialization associated with the brand.

  Aftermath

  Coin and button cells became a core part of Renata’s business and supported later applications in watches, hearing aids, electronics, and industrial products.

  Source

1. 1Renata (battery)en.wikipedia.org