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Press release #Mobility Aftermarket
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Powerful Bosch leisure and marine batteries featuring AGM and EFB technology

Dual-purpose batteries for reliable engine starting satisfy leisure vehicles’ high energy needs

  • Batteries featuring AGM and EFB technology for self-sufficient power supply away from camping facilities and moorings
  • Bosch batteries with strong performance and a robust design specially developed for leisure vehicles and boats
  • Deep-cycle technology and low self-discharge for seasonal use, even with long downtimes over the winter break

Karlsruhe, Germany – Modern recreational vehicles and boats are equipped with an array of electrical devices, and these consume a lot of energy. Ensuring they have a self-sufficient supply of power, even outside of camping facilities and moorings, calls for powerful energy sources that can reliably supply energy over a protracted period of time and be recharged as quickly as possible. Bosch offers high-performance batteries specifically for the leisure and marine sector. Now, it is giving them a technology upgrade from SLI (starting lighting ignition) technology to modern AGM (absorbent glass mat) and EFB (enhanced flooded battery) technology. These dual-purpose batteries are used in modern motorhomes and boats both to start the engine under difficult conditions and to supply power to the vehicles’ many onboard consumers.

Suitable for the considerable demands of motorhomes and boats

In the leisure and marine sector, batteries have to work hard in applications for navigation, emergencies, safety, comfort, and convenience, and also as a result of frequent partial or even deep discharges. In addition, frequent short trips and protracted downtimes put a strain on the battery. Batteries with AGM and EFB technology are particularly suited to these demanding applications. In AGM technology, fiberglass mats soak up the acid like a sponge. In EFB batteries, the positive plate is furnished with a plastic inlay that provides additional support for the active material. Bosch’s AGM and EFB batteries for leisure vehicles and boats deliver high starting currents and offer very high cycle stability. Inside the batteries, a robust grid design made of a special alloy ensures corrosion resistance, a long service life, optimized current flow, and low self-discharge. The deep-cycle technology ensures that the battery is immediately ready for use even after a long period of inactivity such as a winter break. As the batteries are absolutely leakproof and vibration-resistant, they also work perfectly off the beaten track or on swaying boats. What’s more, the AGM and EFB batteries can be combined with other batteries that supply power to, say, an electric winch or rudder. During production, Bosch performs extensive functional and load tests in accordance with international standards to ensure consistently high quality, safety, and performance.

Readers’ contact:
Robert Bosch GmbH
Automotive Aftermarket
Phone +49 9001 942010
E-mail Kundenberatung.Kfz-Technik@de.bosch.com

Contact person for press inquiries:
Laura Cichecki
Phone +49 721 942-2982
E-mail Laura.cichecki@de.bosch.com

The Bosch Mobility Aftermarket division (MA) is one of the world’s leading providers of spare parts, diagnostic solutions and repair-shop equipment for passenger cars, two-wheelers and commercial vehicles. Its product portfolio includes products made as Bosch original equipment, products developed in-house and specifically manufactured for the aftermarket, as well as services. In addition to new parts, the range also comprises a large number of remanufactured exchange parts, thereby contributing to a resource-conserving circular economy. A key pillar in this context is the Bosch eXchange program, with which the division generated around 400 million euros in sales in 2025. Around 16,000 associates and a global logistics network ensure fast and reliable supply to distributors and repair shops worldwide. MA also supplies modern testing and repair-shop technology, diagnostic software, training, as well as technical information and services, which are increasingly being expanded through software- and AI-based solutions. In addition, the division includes the “Bosch Service” workshop concept with around 13,000 workshops worldwide, as well as “AutoCrew” with more than 700 workshops in over 100 countries. Furthermore, with Bosch Classic, MA supports owners of classic and modern classic cars with a wide range of spare parts and services.

Additional information can be accessed at http://www.boschaftermarket.com

The Bosch Group is a leading global supplier of technology and services. It employs roughly 413,000 associates worldwide (as of December 31, 2025). The company generated sales of 91 billion euros in 2025. Its operations are divided into four business sectors: Mobility, Industrial Technology, Consumer Goods, and Energy and Building Technology. With its business activities, the company aims to use technology to help shape universal trends such as automation, digitalization, electrification, and artificial intelligence. In this context, Bosch’s broad diversification across regions and industries strengthens its innovativeness and robustness. Bosch uses its proven expertise in hardware, software, and services to offer customers cross-domain solutions from a single source. It also applies its expertise in connectivity and artificial intelligence in order to develop and manufacture intelligent, user-friendly, and sustainable products. With technology that is “Invented for life,” Bosch wants to help improve quality of life and conserve natural resources. The Bosch Group comprises Robert Bosch GmbH and its roughly 500 subsidiary and regional companies in over 60 countries. Including sales and service partners, Bosch’s global manufacturing, engineering, and sales network covers nearly every country in the world. Bosch’s innovative strength is key to the company’s further development. Bosch employs some 82,000 associates in research and development.

Additional information is available online at www.bosch.com, www.bosch-press.com.

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