In response to determining that the interface is detached from the host device, {HEAD ~ the electronic circuit} is coupled to {TAIL ~ the battery} 
is coupled to
In response to determining that the interface is detached from the host device , { HEAD ~ the electronic circuit } is coupled to { TAIL ~ the battery }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL