4-port designThe battery terminal connector has 4 terminals for a variety of cable connection, wiring modification is simple and convenient, firm connection, not easy to damage. < p>Storage Battery ProtectionAfter installing the cable into the battery terminal, just press the puller to connect to the battery terminal. The battery terminal can be quickly disconnected to effectively protect the battery, so that the battery life is longer. Efficient conductionThe battery terminal connector is cast one-piece with tinned copper, excellent conductivity, which can effectively reduce transmission power loss and can be used for a long time. Widely UsedThe release battery terminal connector rapid has 2 battery terminals (positive and negative) for SAE/JIS A pillar batteries, trucks, caravans, RVs, vans, car stereos, boats, etc. Installation Tips In the process of installing the quick release device, do not overtighten the screws to prevent it from breaking and being damaged.