While Tesla captures more headlines, German residential storage company Sonnen currently leads in global product deployments.

Today, Sonnen has more than 15,000 battery installations around the world, the vast majority of which are located Germany. But the company also has a growing U.S.-based business, with monthly unit sales now in the three digits -- just one year after the company's U.S. market launch.

GTM sat down with CEO Christopher Ostermann and Blake Richetta, vice president of North American sales, to discuss Sonnen's competitive advantages in the home battery arena and how the company plans to grow in the months ahead. Watch below via Facebook Live.