Unfortunately not. After charging 7 kWh from Grid, it has now decided to Feedin 700 Watts to the grid again and therefore draining the battery 
Target Soc in DESS is now set to 46%, so it tries to get rid of that additional 2%?
1200 Feedin now…
Doesn’t seem all to economically for me - but will let you know, if it stops at 46%