Friwo Gerätebau
Corporate brand
UnclaimedGerman manufacturer of power supplies, battery chargers, battery packs, LED drivers and electronic drive solutions.
Last updated August 31, 2026
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Overview
Friwo Gerätebau GmbH is a German electronics manufacturer headquartered in Ostbevern, North Rhine-Westphalia. The company develops and produces power supplies, battery chargers, battery packs, LED drivers, converter and choke components, and electronic drive solutions. It also provides electronics engineering and manufacturing services, commonly described by the company as E²MS, for customers in several industrial and equipment sectors. The company’s historical roots extend to Friemann & Wolf, founded in Zwickau in 1881. Friemann & Wolf originally became known for safety lamps used in coal mining. Following the Second World War, the business was expropriated in the Soviet occupation zone, while its Duisburg branch became the basis of the West German operation. Friwo Gerätebau was formally established in 1971 when the power-supply activity was separated from the wider business. At the same time, a production facility in Ostbevern was acquired and began making plug-in power supplies. Friwo initially built its position through compact plug-in power units. Production reportedly reached approximately 5,000 devices per day by 1973, and the company later achieved a substantial share of the relevant market. Its power supplies included products designed to meet energy-efficiency requirements such as EuP and Energy Star criteria. By 2005, reported output had exceeded one billion units, illustrating the scale reached by the company in high-volume power-conversion products. The business expanded beyond basic power supplies into battery charging and energy-management products. It developed a nickel-metal hydride battery charger in the early 1990s and subsequently broadened its portfolio to include battery packs, LED lighting drivers, medical-device electronics, industrial automation equipment, power tools, consumer equipment and electric-mobility applications. Its products are generally supplied as components or embedded subsystems rather than as consumer-facing finished goods. Friwo’s corporate structure and scope changed several times. Friemann & Wolf and Friwo Gerätebau were acquired by CEAG in 1983. International expansion followed, including operations in North America, East Asia, Japan and Brazil. In 2002, the business was divided into Friwo Mobile Power and Friwo Power Solutions. The mobile-power division was sold in 2008, while Cardea Holding, a subsidiary of VTC Industrieholding, acquired the remaining business. CEAG was renamed Friwo AG in 2009. In the 2010s, Friwo expanded its Asian manufacturing and component capabilities. It opened a production site in Dong Nai, Vietnam, in 2015 and acquired a converter and choke facility near Ho Chi Minh City during the same year. The company later obtained ISO 13485 certification for medical-device quality management in 2018 and acquired Emerge Engineering, a developer and manufacturer of electric-drive components, in December of that year. Friwo’s reported site network includes manufacturing, research and development, administration, sales, development, purchasing and component-production functions in Germany, Vietnam, China and India. Today, Friwo is positioned as an industrial electronics and power-conversion supplier serving original-equipment manufacturers and specialized equipment markets. Its offering combines standard and customized power electronics with design, development and manufacturing services. Key application areas include LED lighting, medical technology, electric mobility, power tools, industrial automation and consumer equipment.
History
Friwo Gerätebau’s corporate history combines the legacy of the nineteenth-century Friemann & Wolf company with the development of a specialized power-electronics business established in the early 1970s. Friemann & Wolf was founded by Carl Wolf in Zwickau in 1881 and became associated with gasoline safety lamps for coal mining. After the Second World War, the original company was expropriated in the Soviet occupation zone. Its Duisburg branch became the headquarters of the West German continuation of Friemann & Wolf. In 1971, the power-supply activity was separated into Friwo Gerätebau GmbH. A production plant in Ostbevern was acquired at the same time, creating the foundation for the company’s later headquarters and manufacturing base. Friwo began producing plug-in power supplies and scaled production rapidly. By 1973, output was reported at roughly 5,000 units per day. By 1981, the company was reported to hold a 60 percent share of its market, while sales had reached DM 100 million by 1990. Ownership changed in 1983, when Friemann & Wolf and Friwo Gerätebau were acquired by CEAG. During the following decade, Friwo developed a wider international structure. Friwo North America was established in Frederick, Maryland, in 1990, and Friwo Far East was established with manufacturing operations in Shenzhen. The company acquired competitor Bartec-Compit in 1991, became the first company in its industry to receive DIN EN ISO 9001 certification in 1992, and developed an early charger for nickel-metal hydride batteries in 1993. Also in 1993, Friwo merged with its subsidiary Silberkraft Lichtakkumulatoren GmbH to form Friwo Silberkraft GmbH. Traditional pit-lamp production ended in 1994 as the business concentrated on electronics. Friwo’s power-supply business expanded substantially during the 1990s and 2000s. The company developed energy-efficient units, including products associated with EuP and Energy Star requirements, and moved into chargers, battery systems and other power-conversion applications. In 2001, it opened operations in Tokyo and São Paulo. In 2002, the business was reorganized into Friwo Mobile Power and Friwo Power Solutions, separating mobile-device power activities from broader industrial and application-oriented power solutions. The mobile-power activity was sold in 2008 and became associated with Flextronics Power. The remaining business was subsequently acquired by Cardea Holding GmbH, a subsidiary of VTC Industrieholding. On 25 May 2009, CEAG changed its name to Friwo AG, aligning the listed corporate identity with the Friwo brand. The parent company remained associated with the German capital market through the General Standard segment of the Frankfurt Stock Exchange. Friwo continued to internationalize its production and engineering network in the 2010s. It opened a manufacturing facility in Dong Nai, Vietnam, in 2015 and acquired a converter and choke production facility near Ho Chi Minh City during the same year. Its reported network also included Ostbevern for manufacturing, research and development and administration; Dresden for manufacturing and electric-mobility research and development; Ho Chi Minh City for converter and choke production; Shenzhen for sales, development and purchasing; and Bengaluru for manufacturing. The company strengthened its capabilities in regulated and emerging applications toward the end of the decade. In January 2018, it received DIN EN ISO 13485 certification, a quality-management standard relevant to medical devices. In December 2018, Friwo acquired Emerge Engineering, a company involved in the development and manufacture of electric-drive components. This supported Friwo’s expansion into electric mobility and drive electronics. Friwo’s present business is centered on embedded and industrial electronics rather than a mass-market consumer brand. Its products and services support LED lighting, medical equipment, power tools, consumer equipment, industrial automation and electric mobility. The company combines product development, manufacturing and E²MS services, allowing it to supply both catalog products and application-specific electronics to equipment makers.
- 2018
Medical quality certification and Emerge Engineering acquisition
[1]Friwo gained DIN EN ISO 13485 certification in January and acquired Emerge Engineering in December to strengthen its electric-drive capabilities.
- 2015
Vietnam manufacturing expansion
[1]Friwo opened a manufacturing facility in Dong Nai, Vietnam, and acquired a converter and choke facility near Ho Chi Minh City.
- 2009
CEAG renamed Friwo AG
[1]CEAG adopted the name Friwo AG on 25 May 2009.
- 2008
Mobile-power division sold
[1]Friwo Mobile Power was sold and became associated with Flextronics Power; the remaining business was acquired by Cardea Holding.
- 2002
Business divided into two divisions
[1]Friwo organized its activities into Friwo Mobile Power and Friwo Power Solutions.
- 1993
NiMH charger development
[1]The company developed a charger for nickel-metal hydride batteries and merged with Silberkraft Lichtakkumulatoren GmbH.
- 1992
DIN EN ISO 9001 certification
[1]Friwo became the first company in its industry to be certified under DIN EN ISO 9001, according to the referenced company history.
- 1991
Bartec-Compit acquired
[1]Friwo acquired competitor Bartec-Compit as part of its expansion in power and charging electronics.
- 1983
Acquisition by CEAG
[1]Friemann & Wolf and Friwo Gerätebau became part of CEAG.
- 1981
Major market position reported
[1]Friwo was reported to have achieved a 60 percent share of its market.
Products and positioning
An industrial and embedded-electronics supplier focused on power conversion, charging, lighting control, battery systems and customized electronics manufacturing for equipment manufacturers.
Power electronics · 1971
Power supplies
Friwo’s core product area consists of plug-in and other power-supply solutions for converting and delivering electrical power in embedded equipment. The company became known for high-volume production of compact power units and later developed energy-efficient products associated with EuP and Energy Star requirements. These supplies are used across consumer equipment, industrial products, medical devices, lighting and other original-equipment applications.
Charging electronics · 1993
Battery chargers
Friwo develops chargers for rechargeable battery systems used in equipment such as power tools, medical products, consumer devices and electric-mobility applications. Its historical development work included a nickel-metal hydride battery charger in the early 1990s. Current charging solutions form part of a broader portfolio of power-conversion and battery-management electronics.
Battery systems
Battery packs
Friwo supplies battery-pack solutions for portable and electrically powered equipment. These products complement the company’s charging and power-supply activities and can be integrated into applications including medical equipment, power tools, consumer products and electric mobility. The available reference material does not specify individual pack chemistries or product-series names.
LED lighting electronics
LED drivers
Sold under the Friwo LED brand, the company’s LED drivers regulate and convert electrical power for LED lighting applications. They are intended for integration into lighting products and systems rather than positioned primarily as retail lamps. LED technology is one of Friwo’s principal application areas alongside medical electronics, industrial automation and electric mobility.
Electric mobility and drive electronics · 2018
Drive units and electric-drive solutions
Friwo develops electronic drive solutions and related components for electric mobility and other powered equipment. The company strengthened this capability through its 2018 acquisition of Emerge Engineering, a developer and manufacturer of components for electric drives. The portfolio is aimed at embedded applications requiring controlled electrical power and motor operation.
Electronics engineering and manufacturing services
E²MS services
Friwo provides electronics engineering and manufacturing services, described as E²MS. These services extend beyond the sale of individual power products and can include development and production support for customer-specific electronics. The service model allows Friwo to work with equipment manufacturers in Europe and other regions across medical, industrial, consumer and mobility applications.
Brand decisions
2018
Acquisition of Emerge EngineeringM&ABackground
Friwo was expanding into electric mobility and electronic drive applications.
Action taken
In December 2018, Friwo acquired Emerge Engineering, a developer and manufacturer of electric-drive components.
Aftermath
The acquisition broadened Friwo’s capabilities in electric-drive components and supported its mobility-oriented product portfolio.
2015
Expansion of Asian manufacturing and component productionStrategyBackground
Friwo was serving international customers and required manufacturing and component capacity closer to Asian supply chains and markets.
Action taken
The company opened a production site in Dong Nai, Vietnam, and acquired a converter and choke manufacturing facility near Ho Chi Minh City.
Aftermath
The moves expanded Friwo’s manufacturing footprint and added dedicated converter and choke production capabilities in Vietnam.
2008
Sale of the mobile-power divisionM&ABackground
Friwo reorganized its business around separate mobile-power and power-solutions activities.
Action taken
The Friwo Mobile Power division was sold and subsequently became associated with Flextronics Power, while Cardea Holding acquired the remaining business.
Aftermath
The transaction narrowed the company’s direct scope and placed the remaining Friwo operations under the ownership structure connected with VTC Industrieholding.
2002
Division of the business into Mobile Power and Power SolutionsStrategyBackground
Friwo had developed from a plug-in power-supply producer into a broader supplier of chargers, battery products and power electronics.
Action taken
The company separated its activities into Friwo Mobile Power and Friwo Power Solutions.
Aftermath
The restructuring created distinct business areas for mobile-device power and wider industrial and application-oriented power solutions.
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