Gdnecad Knife Blade Master Switch, 12V 24V Side Post Negative Heavy Duty Battery Shut Off Switch, Power Quick Disconnect Switches Knife Blade Isolator for Cars Boats Trucks RVs

["Practical Function: This shut-off switch offers rapid power cut-off to keep the battery from losing charge over time. It gives you quick control over power management, reduces unnecessary battery consumption, and extends overall battery service time during daily or long-term use","Efficient Design: This disconnect switch features a unique blade-style structure that provides a larger contact area, which helps reduce heat buildup and supports steady high-current flow. It also enables fast one-handed operation, giving you reliable responsiveness in urgent situations","Quality Material: This switch features copper-alloy terminals on the top-post version and brass terminals on the side-post version, and each material offers strong resistance to corrosion and abrasion. The conductive structure delivers efficient current transfer and maintains dependable performance","Optional Styles: This negative-terminal disconnect switch comes in three layouts—vertical top post, horizontal top post, and side post. The first two layouts fit car battery terminal posts with a diameter of 0.59-0.67 inches, while the third one is compatible with those of 0.39 inches","Wide Application: This disconnect switch supports 12V–48V systems and works with a wide range of vehicles, including cars, RVs, trucks, ATVs, and off-road models. It is also suitable for marine applications and meets battery shut-off needs across many everyday and professional scenarios"]