Bosch eBike Systems

Statement from Bosch eBike Systems regarding Stiftung Warentest's article on e-bike risks

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  • May 29, 2013
  • Bosch eBike Systems
  • Press releases

press release

Stuttgart/Reutlingen - In a press conference on May 28, 2013, the German consumer advocacy group Stiftung Warentest has made critical assertions regarding the transport safety of Bosch batteries as per an article in its June 2013 edition on the risks presented by e-bikes. Stiftung Warentest writes: “Bicyclists are not in immediate danger.” However, they claim that 11AH batteries made by Bosch did not pass the short-circuit test as specified in the UN's recommendations on the transport of dangerous goods.

Bosch does comply with the UN recommendations. All of our single-cell and power-pack batteries are tested and certified by our suppliers, by our own labs, and by external institutes. In addition, the integrated battery electronics protect the power packs from external short circuits.

Stiftung Warentest has so far not provided any information on how their tests are designed and conducted. Bosch firmly rejects the assertions and intends to request that Stiftung Warentest discloses the details of its tests in order to clarify the facts as soon as possible.

About Bosch eBike Systems
A new generation of bikes is taking town and country by storm and is already a part of eve-ryday life. eBikes are a modern means of transport for modern people: people in a hurry and people who prefer to take it easy, the fit and the comfort lovers, commuters and pleasure cyclists and, of course, young and old. The tailwind of technology-leading eBikes made by what are already more than 50 leading brands in Europe is powered by components that Bosch is developing to perfection. The Bosch portfolio ranges from the highly efficient drive unit (motor and gearbox) and high-quality batteries to a smart on-board and cycle computer that can be used intuitively. Perfect coordination of components holds the key to typical Bosch performance in terms of both comfort and efficiency. Like other Bosch products, the eBike systems benefit from the Bosch Group’s technology and production know-how. From conception and engineering to manufacturing, marketing and after-sales service, Bosch eBike Systems constantly set new standards for the eBike industry. The Bosch Group’s experience in the areas of electric motors, sensor technology, displays and lithium-ion batteries ensures that Bosch eBike systems use technology that is invented for life and that eBike users have their fun.

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About Bosch
The Bosch Group is a leading global supplier of technology and services. It employs roughly 375,000 associates worldwide (as of December 31, 2015). The company generated sales of 70.6 billion euros in 2015. Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. The Bosch Group comprises Robert Bosch GmbH and its roughly 440 subsidiaries and regional companies in some 60 countries. Including sales and service partners, Bosch’s global manufacturing and sales network covers some 150 countries. The basis for the company’s future growth is its innovative strength. Bosch employs 55,800 associates in research and development at 118 locations across the globe. The Bosch Group’s strategic objective is to deliver innovations for a connected life. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.”

Further information is available online at and,

PI8156 - May 29, 2013

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