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RKB electronic AG

Otto-Hahn-Str. 19, 75248 Ölbronn-Dürrn
Telephone +49 7237 48634-0
Fax +49 7237 48634-181

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This company is co-exhibitor of
ten Haaft GmbH

Hall map

CARAVAN SALON 2021 hall map (Hall 13): stand A63

Fairground map

CARAVAN SALON 2021 fairground map: Hall 13


Michèle Bredow

07237 48634-0


Lukas Lindner

07237 48634-260


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Our products

Product category: Batteries

RKB on-board battery for touring vehicles

RKB on-board battery for touring vehicles
Are you looking for a lithium battery for your motorhome that does not require a complicated installation process, can be charged quickly and is ideal for supplying large consumers with power?
More and more RV owners are opting to upgrade and use lithium batteries. The advantages of using these batteries in a motorhome are their performance, low weight and long service life. These are ideal conditions if you want to be self-sufficient on your trip with the motorhome - independent of any sockets
The batteries have lithium iron phosphate (LiFePO4) cells, which are considered very safe and cycle resistant. In addition, the battery is protected by an integrated Smart-BMS against overcurrent, overcharging, deep discharge, short circuits and overtemperature

We also offer compatible accessories such as inverters or solar charge controllers

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Product category: Batteries

Energy made to measure

From the family of lithium-ion battery types, the lithium iron phosphate battery (LiFePO4) is the safest. It is highly current resistant, universally applicable and has a low weight compared to lead, gel or AGM batteries. In addition, the latest lithium iron phosphate technology offers a high degree of intrinsic safety, so that it is guaranteed even in the most extreme conditions. A 12.8V LiFePO4 battery consists of 4 single cells connected in series, each with a nominal voltage of 3.2V. However, other voltage ranges such as 24V and 48V can also be configured.
Due to our long experience in the industry, we have a wide product portfolio of modular combinable components. This makes it possible to produce customised solutions with maximum performance and energy density economically for you.

Key Features RKB Lithium Battery
- Tailor-made and robust aluminium housing
- Integrated fuse + relay output
- Low development costs thanks to modular system
- Digital inputs and outputs for controlling the battery and external components
- Long-term data logbook with recording on SD card
- Communication interface CAN or CAN-Open

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Product category: Batteries

Powerstation - mobile energy for a wide range of applications

Electric power is one of the simplest and most convenient ways of supplying energy to household appliances and machines. However, this is only the case when there is a connection to the public power grid. However, in remote locations or for mobile applications, this can pose some problems. One option is to use a generator. However, these devices are very expensive, large, heavy and they create a smell and noise nuisance. The whole thing is much easier with the Powerstation from RKB. This uses the latest battery technologies and thus enables a reliable mobile energy supply. Moreover, it is comparatively small and light and it works completely noiselessly and without exhaust fumes.

The Powerstation: small and handy
The Powerstation is a battery pack in a solid housing. The case-shaped design with a practical carrying handle in the upper section, as well as the compact construction and low weight, make this product very easy to transport. The Powerstation has several connection options. A car socket allows you to power coolers, lamps and other devices with an appropriate connection. The USB port allows you to charge your cell phone or GPS device. Some models also have a standard socket for 230 volts alternating current integrated. This allows household appliances, refrigerators or power tools to be operated in places where there is no connection to the mains. On the front of the Powerstation there is a capacity indicator. This makes it possible to find out the charge status of the battery system. A Speakon socket is integrated as a charging connection in the standard version. A mains fast charger and an adapter cable for connection to the high-current mains are also available as options.

Suitable power supply options for every need
In order to meet the diverse application possibilities, the Powerstation is available in several different versions. In particular, the voltage offered can vary greatly. All versions have a connection for 12 volts direct current. Depending on the version, there is also a socket for 24 or 48 volts direct current or for 230 volts alternating current. The capacity is between 20 and 150 Ah. There are also water-protected versions (IP 65). This allows a small boat motor to be operated and also makes outdoor use possible even in bad weather.

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Product category: Batteries

Intelligent high frequency battery charger

Programmable, fully adjustable charger for traction batteries

  • One charger for up to five different battery types - manual selection
  • Very high reliability
  • Preset charging characteristics
  • Easy to use
  • Parameter setting by means of buttons on the charger
  • Efficiency up to 94
  • Active PFC and soft start
  • Battery verification after connection
  • Smoothed charging current
  • Creation of own charging characteristics (optional)
  • High resistance to mains fluctuations
  • Charging history for 1,000 charging cycles
  • Equalizing charge
Application and characteristics
The industrial chargers are designed for charging traction batteries. Depending on the type of charger, batteries with nominal voltages of 12V - 110V, with a possible charging current of 25A - 225A, can be charged.

The chargers are composed of uniform interchangeable power modules to achieve the desired performance. An intelligent control system controls and monitors the charging process, while the display informs the user about the operating conditions.

Important data on the charging process is stored in the charger, this can be used to optimise the operating process. The chargers are adjustable in a wide range and can be equipped with a remote control module.

Optimizing the charging process extends the battery life, speeds up the charging process and saves energy. The charger is designed for tough conditions in three-shift operation.

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Product category: Batteries

Charging technology and power supplies

We carry a variety of different chargers to match our intelligent battery systems. These meet all relevant standards for the European, American and Asian markets. Furthermore, our chargers have a wide range input, as well as an exchangeable primary power cable, which allows the problem-free worldwide use of the devices.

Our lithium-ion chargers charge with the highest precision according to the CC/CV charging method and are divided into different performance classes depending on the application. Depending on the lithium technology used, the final charging voltage is set at the factory between 3.60V and 4.20V per cell. The standardised DC hollow plug can be exchanged for a different secondary plug system that suits your device or battery pack on request.

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Product category: Batteries

Solar charge controller & accessories

MPPT solar controllers (Maximum Power Point Transmission) are required as a link between the solar panels and the batteries. With MPP technology, the controller automatically determines the maximum power output of the solar modules at all times. This significantly reduces the battery charging time compared to conventional solar chargers. The MPPT solar controllers work fully automatically, with a charging current of up to 30A or 40A and are maintenance-free. The Duo regulator charges the starter battery as well as the on-board battery.

External display panels are optionally available for both chargers. With these you also have the full overview and control of your energy management in the living room - regardless of the installation location of the solar controller.

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About us

Company portrait

We develop, produce and distribute our innovative and high-quality products at our production site in Germany. Over twenty years of experience in the field of customer-specific battery and cable assembly, as well as our in-house development department, help us to implement any task, no matter how difficult, in a timely manner and in line with requirements.

Furthermore, we have made it our task to always keep our product range on the pulse of time, to pick up novelties and innovations in order to always be one step ahead.

Relieving the burden on your purchasing, production and engineering departments by implementing our know-how and industry expertise, makes RKB electronic AG the ideal partner in the world of electromechanics.

Company data

Foundation 2000

Company information as a PDF file