article_snippet.sent: With this in mind, German firm Automatic Storage Device (ASD) and designer Wolfram Walter have created Sonnenspeicher.
article_snippet.sent: Sonnenspeicher features an intelligent management system that automatically controls the charging and discharging current, to make Sonnenspeicher  easier to manage how much energy is being used.
article_snippet.sent: Sonnenspeicher  features an intelligent management system that automatically controls the charging and discharging current, to make it easier to manage how much energy is being used.
article_snippet.sent: Sonnenspeicher  features an intelligent management system that automatically controls the charging and discharging current, to make it easier to manage how much energy is being used.
highlights_snippet.sent: Sonnenspeicher was designed by Wolfram Walter and German firm ASD .
  