Reliable ON/OFF CONTROL: 275A battery disconnect switch with dependable ON/OFF functionality to prevent accidental battery drainage. Durable construction: Made from tough plastic with robust copper studs and nuts, designed to withstand the rigors of marine environments while maintaining safe operation. Enhanced safety and efficiency: Waterproof design minimizes energy loss during idle times, making it a practical component for maintaining efficiency in boats and vehicles. Easy installation: Integrated connection posts fit positive terminals directly, eliminating the need for extra cables or connectors during setup. Key attributes at a glance: 275A rating, ON/OFF control, waterproof construction, positive terminal compatibility, copper studs and nuts, marineappropriate durability, simple installation. Practical applications: Boats: isolate the main battery when docked or in storage to prevent parasitic drain. Vehicles and RVs: disconnect the battery during extended idle periods to protect electrical systems. Auxiliary or marine setups: use for quick battery disconnection in trolling motor or secondary battery configurations. Compatibility and use cases: Designed for positive battery terminals commonly found in boats and various vehicles, offering a straightforward solution for battery management without additional cables or adapters.