Integrated MSD connector test device for power battery test

An integrated test device for performing a power battery test, the integrated test device comprising:

• a housing comprises an upper housing and a lower housing;
• Manual Service Disconnect (MSD) connector housed in the lower housing and having a connector housing and a first polarity contact and a second polarity contact configured to be connected to first and second polarity terminals of a power battery under test via first and second wires, wherein the second polarity contact comprises two contact portions separated from each other;
• a cable for testing a current of the power battery extending at least partially outside of the housing, and electrically connected between the two contact portions of the second polarity contact;
• and
• a first polarity port and a second polarity port for testing a voltage of the power battery accessible from outside of the housing, the first polarity port being electrically connected to the first polarity contact and the second polarity port being electrically connected to one of the two contact portions of the second polarity contact,
• wherein the first polarity port and the second polarity port are connected to a voltage measuring device;
• wherein the first polarity is a positive or negative, and correspondingly, the second polarity is a negative or positive.