Question: What are the external power requirements of the Quicktake cameras?
Answer: The manuals for the QuickTake 100 and Quicktake 150 state that the external power requirements for the camera are:
4.5 V DC/1.75 A to 8.0 V DC/1.0 A.
Question: What is the voltage output of the Battery booster pack?
Answer: 6 volts (nominal).
Question: What is the polarity of the cable used to connect the battery pack to the camera?
Answer: The center terminal of the connector is positive and the shell is negative.