An unknown buyer acquired 30.8% stake in JenaBatteries GmbH from Deutsche Effecten- und Wechsel-Beteiligungsgesellschaft AG (DB:EFF) for €2 million on August 12, 2016. An unknown buyer completed the acquisition of 30.8% stake in JenaBatteries GmbH from Deutsche Effecten- und Wechsel-Beteiligungsgesellschaft AG (DB:EFF) on August 12, 2016.