<p>The vehicle has a connector A that is coupled to the battery and a mating connector B provides a connection to a battery charger. Each of the connector units has a cylindrical stage 1 inside of which are a number of power 2,4 and signal 3 contacts . One of the connectors has contact bushes and the other has mating pins 32,34 The two connectors interlock together. The battery charger connector has two LED indicators 28 that signal connections are made to the vehicle and charger respectively</p>
