High Quality Material: The 12v battery terminal is made of pure copper, which has strong electrical conductivity and good corrosion resistance, effectively reducing power transmission loss. Design Simple And Convenient: the battery terminal lock is used for better fixing, red is the positive pole and black is the negative pole. Main Use: 12v battery terminal is used for the terminals standard round battery packs, such as car and motorcycle batteries, suitable for 6v and 12v positive or negative battery plates. Easy installation: remove the battery from the 12v battery connector which needs to be replaced during the installation process, place the new battery on the positive and negative poles and tighten the nut to lock the fixed switch in place. Package And Service: The package contains 1 pair of 3 12v battery terminals . If you have any product quality issues, please email us. We will solve the problem for you within 24 hours. The practical battery terminal makes the key superfluous. By using these 12v battery terminals, you can quickly connect and disconnect the car battery. 12v battery terminal can improve conductivity and ensure perfect contact performance, reducing voltage distortion and transmission loss. It is made of pure copper, sturdy, durable, corrosion resistant and not easily damaged. When installing, just remove the clip of the quick release connector to be replaced from the original car , then disconnect it from the battery cable. Check whether the motor column is oxidized and cleaned, and remove the oxide layer to increase the electrical conductivity of the motor column. Then place the battery connector clip on the motor pole and tighten the nut. Scope of application: 12v battery connector is suitable for most vehicles , suitable for most cars, boats, trucks and 6V/12V batteries. Product Parameters: Product Name: Battery Terminals Material: pure copper Total size: about 56x35x45mm (length x width x height) The size of the center opening of the negative terminal of the car battery: 15 ,3-17mm Car battery positive center opening size: 17.2-18mm Applicable specifications: suitable for battery positive and 6v and 12v negatives Package weight: 192 g Packing list: 1 pair of 3-way battery terminals < p>Note: When using the car battery connector, pay attention to the polarity!