RELIABLE AND DURABLE: The car battery shut off switch 12v is made of superior quality materials of copper with excellent resistance and conductivity, while the thickened and weighted design makes it able to withstand all kinds of harsh conditions EASY TO USE: Our battery disconnect adopts blade design, which can realize the control of car battery disconnect switch with just one press, making your car use more convenient. Meanwhile, battery cut off switch does not require complicated maintenance FREE SWITCHING: This battery switch disconnect is very flexible, you can adjust the fixing screw holes according to your needs, can be freely switched to horizontal or vertical gate knife, a total of 6 different mounting options FUNCTION: Top post battery disconnect switch directly disconnects the battery when not in use, no need to worry about the battery losing power due to electrical equipment not turned off. It also protects the electrical system and extends battery life APPLICATION: Car battery kill switch is only for 15mm-17mm negative battery terminals, rated voltage 12/24V, rated current 250A, max current 750A. Fit for most cars, boats, trucks, etc. Please check the size of the product carefully when placing an order