E3/DC GmbH

Technologies for self defined Home Energy Management 

The E3/DC GmbH is an inverter manufacturer and was a spinoff of Wilhelm Karmann GmbH from Osnabrück. The vision of E3/DC are sustainable new energy standards for domestic homes with maximum performance and quality. The established technologies, coming from automotive electronics, provide renewable energies in the context of mobility, but also for other areas within the daily life. The name E3/DC is a connection of our mission: E3 (saving/einsparend, renewable/erneuerbar, effective/effektiv) and DC (direct current).


Intelligent, long-lasting and economical – the sonnenBatterie 

The sonnenBatterie is a high-tech storage system that has proven itself in thousands of households – every day. The combination of a PV system and a sonnenBatterie will allow you to cover about 75% of your yearly energy requirement with self-produced and clean energy. Since your energy is being generated on your roof and not by some anonymous energy provider you are more independent than before. So take your energy future into your own hands and reduce your energy costs to a minimum. The decision for a sonnenBatterie is also a decision for the highest standards in safety and quality that “Made in Germany” stands for.