4 Pcs Battery Disconnect Switch 12V Adjustable Rotating Battery Cut Off Switch Pure Copper 12V/24V Top Post Shut Off On/Off Isolator for Car Marine Boat RV ATV Vehicles(black)

["【 Avoids Battery Drain and Extends Battery Life 】 Disconnects battery power when the vehicle or equipment is not in use , helping reduce parasitic drain and unnecessary energy consumption . Protect your battery during long term parking or seasonal storage , greatly extending its service life","【 Compact Size and Easy Installation 】 The compact body fits standard battery terminals . Installation is simple with basic tools , no complex wiring or modifications required . Low maintenance cost , ideal for vehicle , RV and marine owners to manage power conveniently","【 Manual Rotary Design 】 With a manual rotary design without electronics , the car battery disconnect switch cuts power by turning 90° upward and restores power by turning downward . The on/off status is clear and straightforward , making it easy to operate for users who prefer mechanical control","【 High Conductivity Pure Copper Construction 】 This battery disconnect switch features pure copper contacts with excellent electrical conductivity and low resistance . It effectively reduces voltage drop and power loss , ensuring stable current delivery and greatly improving the overall efficiency of battery systems in cars , boats and other vehicles","【 Dual Voltage Compatible 】 The battery cut off switch supports both 12V and 24V battery systems , making it ideal for cars , trucks , RVs , boats , trailers , and more . One switch fits multiple scenarios with no extra parts needed"]