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A self-sufficient house with the Vaillant battery storage system

Press release

  • Technologies

  • Second-generation battery storage system eloPACK with improved functions

  • Modular system: from 2 to 12 kWh output

  • Battery cells conform to highest safety standards

For homeowners, planning certainty and independence from fluctuating electricity prices are top priorities. Storing self-produced electricity, as well as heat, can play an important role here. That is why Vaillant is presenting the second generation of the eloPACK battery storage system. “The new eloPACK can be incorporated into systems efficiently and flexibly,” says Christian Sieg, Head of Product and Service Management at Vaillant Germany. “For example, the device can be combined with electrically powered heating units and all electricity generation systems, such as photovoltaic systems, CHP units, fuel cell heating systems as well as wind or hydroelectric power systems.”

Easy to install and integrate into other systems

Thanks to its compact design, the device can be easily integrated into existing systems and into the electrical environment of buildings. To do so, it is only necessary to establish the electricity and data connections and a bus connection. The battery modules and casing are delivered separately, which simplifies transport to the installation site.

The battery storage system is available in increments of 2 kWh, with capacities ranging from 2 to 12 kWh. All output sizes are equipped with the same components, such as standard outer casing and the same inverter. Only the number of battery modules used is different, depending on the capacity. This structure guarantees a high level of flexibility: integrated devices can be expanded with additional battery modules at any time, increasing the storage capacity of the device. Further interventions are not necessary. This keeps the initial investment as low as possible.

Only high-quality modules using Li-Ion iron phosphate technology are used in the device. Due to this, the battery storage modules fulfil the highest safety standards. The modules’ capacity is given consistently as the usable capacity actually available. With conventional battery systems, the technical data often only specifies the overall capacity and not the actual capacity available for charging. That means that, under certain circumstances, a conventional battery storage system labelled as having a 10 kWh capacity may actually only have 5 kWh available for storing electric power.

20-year lifespan – guaranteed

Vaillant calculates a lifespan of around 20 years for a battery storage system. This easily covers around 10,000 complete charge cycles. “If you count on around 250 charges per year, it amounts to 5,000 charge cycles after 20 years. That means that the system has enough of a buffer for a long and reliable service life,” says Sieg.

During the initial phase, Vaillant’s factory customer support team will be responsible for putting the system into operation. Skilled technician partners can then complete training from the second quarter of the year onwards.

About Vaillant

The Vaillant Group is an internationally active company based in Remscheid, Germany, which operates in the fields of heating, ventilation and air-conditioning technology. As one of the global market and technology leaders, the Vaillant Group develops and manufactures customised products, systems and services to provide a comfortable living environment. Its product portfolio ranges from efficient heating devices based on conventional energy sources to system solutions for using renewable energy. In the financial year 2020, the company, which has been family-owned since its foundation in 1874, generated sales of more than €2.7 billion with its workforce of about 15,000.

Contact

Jens Wichtermann
Jens Wichtermann

Jens Wichtermann

Group Director Communication, Sustainability & Government Relations

Phone: +49 2191 18 2754

Mobile: +49 175 295 1810

jens.wichtermann@vaillant-group.com
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