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We will be at the CMT – The Holiday Exhibition in Stuttgart from 12 - 20 January 2019.
The Holiday Exhibition is the world largest exhibition for caravan, holiday homes and Travel.

Together with HYMER we present the perfect independent power solution for campers and caravans with the HYMER SMART Battery System and BOS LE300 Lithium Extension Battery.

We are looking forward to meeting you at Hall 1, Stand 1C12



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The biggest in our product portfolio, 10kWh capacity system, HS10000 was displayed at EES 2018 in Munich which was held together with Intersolar at The Smarter E. There our HS10000 was displayed at our partner Victron’s booth as well, which garnered a lot of attention.

In terms of PV system installation, it is very common to look at batteries, inverters and chargers as separate components, but HS10000 helps you view them as one product. The heart of the 48 V based HS10000 system is the Master Board, developed and engineered by BOS. It controls not only 10kWh of Lithium ion phosphate batteries but also the 5kVA Victron Multiplus inverter and 2 X 70 A Victron MPPT charge controller. The integrated solution helps to cut down the soft costs and reduces your installation time and hassles as everything is pre-wired and pre-configured.

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6th of September a group of around 20 people from Central America and the Dominican Republic visited our company. The whole event was organized by the Renewables Academy (RENAC) AG in cooperation with the German-Central America/Caribbean Chamber of Commerce (GTCC). Focusing on the topic “Decentralized Energy Supply with Renewable Energy with a focus on Storage Technology in Germany”, we were happy to present our business model and newest product developments.

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HYMER-Smart-Battery-System was awarded with one of the most prestigious award of the German leading automobile magazine AUTO BILD. In the category “best accessory novelty 2018” HYMER-Smart Battery-System won the editorial award of the Golden Auto Bild 2018.The award ceremony was held at the Caravan Salon 2018 in Dusseldorf (-02.09.2018). We congratulate and are thrilled about this special prize.

With the HYMER Smart Battery System you will experience more self-sufficiency, due to state-of-the-art lithium batteries which combines cost effective standard lead acid batteries. Our BOS Lithium Extension Battery LE300 is main component of the system.

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We are at the Caravan Salon 2018 in Düsseldorf, the world's largest trade fair for motorhomes and caravans.

Till 02.09.2018 you will find more self-sufficiency for your caravans thanks to the innovative HYMER Smart Battery System. The system consists of our LE300 Lithium Extension Battery modules and will be connected to the existing lead acid battery. Come and visit the HYMER booth in hall 17, we are looking forward to meeting you.

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We are excited to present you our fully certified LE300 Lithium Extension Battery. It has the CE marking and with its E24 certificate it is even entitled for automobiles.

With our Lithium Extension Battery you can add capacity and improve the efficiency of any 12 V lead acid battery in an easy and cost-effective way. The intelligent technology allows multiple LE modules to be stacked in parallel to meet your specific system specs. No more worries about too low capacity, energy losses and short product lifetimes.

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We cordially invite you to join us at the EES Europe which is part of Smarter E Europe 2018 in Munich, Germany on Jun 20th-22nd.

As one of the most innovative energy startups in Germany, BOS has progressed all the way from smaller size DC systems to the recently launched inverter based HS10000 (10kWh).. One of our highly praised product LE300 Lithium Extension Battery was nominated as finalist for the ees AWARD at Intersolar Europe in 2016. Come and witness our journey across these years as we help people across the globe to minimalize fossil fuel usage for electricity and increase solar usage.  

We are located at booth no C1.140E. We would love to meet you and discuss the business opportunities in near future.

 Sign up for a meeting here.

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The Vice President of Nigeria visited Nigeria’s largest urban solar micro utility project, powered by rensource.

Our CEO Benjamin Seckinger was there and got a very good impression of the market.Several energy hubs electrifying the Sabon Gari Market and each hub runs with 4 to 10 HS10000 systems.

The biggest problem the market is facing is power. With the Energizing Markets Project, reliable and clean energy becomes a reality.



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By all accounts, 2017 was an extraordinarily eventful year. From new product launches to electrification projects, 2017 was full of excitement and learning!

We are very thankful to our partners for the very happening and eventful year and looking forward to a new year that brings new challenges and opportunities. A small glimpse of our journey of 2017!!

read more

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Again, we have the pleasure of being part of this year’s Off-Grid Experts Workshop 2017 from 27 to 29 September in Memmingen, Germany.
Meet us there as one of the exhibitors, get to know innovative technologies, learn how to use the products and meet experts from all over the world.

Switch on Off-Grid. We are looking forward to meeting you.





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We are delighted to announce you our participation at REI exhibition, which takes place at the India Expo Center, Greater Noida, India from 20 to 22 September 2017.

REI is a leading international exhibition for renewable energy products with more than 600 exhibitors.

Very excited to welcome you all at Booth no 10.246 with our Indian partner Karmasukom Energy LLP.

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On 6th June 2017, a smart DC mini grid was successfully inaugurated within the framework of the dena Renewable Energy Solutions Programme. Sarvantara, a village in Uttar Pradesh, India has been equipped with a DC mini grid containing hybrid storage systems powered by photovoltaic panels. The first 30 households are now connected to the grid and provided with sustainable energy. The project is implemented by BOS Balance of Storage Systems AG (BOS AG) and has been installed together with local partner Oorja Development Solutions Ltd (Oorja). The whole project is coordinated by the German Energy Agency (dena) and co-financed by the German Federal Ministry for Economic Affairs and Energy (BMWi)

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