Features: 1.Application: Battery disconnect switch can handle 250A continuous current and 750A instantaneous current at 12?24V DC, and can be used with top post batteries for various vehicles, including most cars, boats, trucks, RVs, and even motorboats. 2.Safe Disconnection: Battery cut off switch can eliminate any power consumption of the battery when the vehicle or boat is not in use, safely disconnecting the battery and protecting the electrical system. 3.No More Battery Drain: Unused batteries that are left uncharged for a long time can shorten the battery life. Battery disconnect knife blade switch allows you to eliminate any unwanted parasitic power consumption in the battery. 4.Convenient to Install and Use: Top post battery disconnect switch can be changed from horizontal blade type to vertical, providing a simple operation for cutting off the power supply. 5.Compatible Range: Battery disconnect switch is suitable for automotive and marine batteries with standard 11?13mm tapered top post terminals, and also applicable for electrical equipment, solar panels, and other applications. Specification: Item Type: Battery Disconnect Switch Material: Brass Connection Position: Negative electrode Compatible Range: Suitable for automotive and marine batteries with standard 11-13mm tapered top post terminals, as well as applications such as electrical equipment and solar cells.