Battery Terminal Set Positive and Negative BT-03/BT-04 Car audio battery terminal cover connectors post clamp, BT-03 is 2*0GA, 150g, 47*59*21mm. Nickel-plated brass and zinc-plated can be chosen. Car audio battery terminals. Waterproof plastic case available. BT-04 is 1*0GA+2*2GA+2*8GA, 150g, 47*59*21mm. Positive and negative poles for sale. CAR AUDIO BATTERY TERMINAL. Car audio battery connector, used for battery terminal wiring.