GE Ventures will joint sonnen’s existing investors and support in the international growth.
GE Ventures managing director Jonathan Pulitzer said: "sonnen is helping to reshape the energy industry.
"We believe in sonnen’s vision and that is why we are excited to partner to provide clean and affordable energy to all."
sonnen, a start-up firm, formerly known by the name sonnenbatterie, produces lithium-based energy storage devices for homes and businesses.
The company was also one of the first to come with schemes to connect homes with solar panels and other consumers for online energy sharing platform.
sonnen Group co-founder and CEO Christoph Ostermann said: "With GE Ventures, we have not only partnered with one of the world’s largest power and water technology companies but gained a supporter for our vision of a sustainable and affordable energy future for all."
sonnen has sold about 11,000 battery units in Europe. The company intorduced sonnenCommunity sharing platform last November in Germany and Austria.
