Safety protection: quick battery terminals with + red and blue -, easy to identify to prevent electric shock Quick release battery connector: simple and convenient, designed for users who replace batteries frequently. Quick installation: connect the red to the positive pole and the blue to the negative pole, which can be quickly connected, a pull and a pull can be pulled out, and a set can be connected in one click Compatibility: The rated voltage is 500 amps and it can withstand a continuous surge of 800 amps at 12 volts, suitable for cars, motorcycles, boats, trucks, etc. with 12V batteries Product packaging: 2 pairs (2 × positive, 2 × negative); + inside diameter of the pole: 19MM, - pole inner diameter: 17MM battery connector Product Description Features: Easy-to-identify red and blue covers reduce the risk of electric shock < p>Copper plate battery terminal post Designed for battery terminals, can be quickly disconnected and released Battery connector is very convenient for users to connect or install separately Suitable for users who need to change batteries frequently Features: Product Name: Quick Battery Terminal Connector</ p> Product material: copper + plastic shell Product weight: 90g (single weight) Product size: about 68mm x 46mm x 25mm Product specifications: inner diameter of positive electrode: 19 mm, inner diameter of negative electrode: 17mm Suitable for battery capacity: 45AH-200AH Product packaging: 2 × Red quick battery terminal connector 2 × Blue quick battery terminal connector "