1、[Widely Compatible] This jump starter clamp is suitable for most brands of 12V portable jump starter boxes, compatible with most automotive portable jump starters and mobile chargers. 2、[Rapid Car Battery Boost] Quickly jump start vehicles with drained or low battery power using this reliable battery clamp cable, ensuring a quick and efficient start up process. 3、[EC5 Connector] Equipped with EC5 male plug, this car starter clamp is compatible with most 12V battery booster jumper starters featuring EC5 output, providing a reliable connection. 4、[Sturdy Construction] Sturdy clamp adopts tinned copper cable, which offers superior conductivity and durability compared to pure copper, ensuring safe operating. 5、[Easy to Use] Simply connect the red battery clamp to the positive pole of the vehicle battery and the black clamp to the negative pole;. Insert the power line into the socket of the jump starter, start the car, and remove the clamp. Item Type: Car Jump Starter Clamp Material: Plastic, Copper, Silicone Input Voltage: DC 12V 1 x Car Jump Starter Clamp