MANUAL SERVICE DISCONNECT FOR BATTERY SYSTEM

Disclosed is a manual service disconnection device for a battery system, comprising: a service plug unit; a disconnection header unit which is attachably and detachably coupled to the service plug unit and is mounted in the battery system; and a flexible bus line having one end coupled to one surface of an insertion part of the disconnection header unit, which is inserted inside the battery system, and the other end coupled to a bus line coupling terminal inside the battery system so as to electrically connect the manual service disconnection device with the battery system, and having flexibility to be bendable.