Dependable Battery Safety and Current Disconnect Dependable battery safety: Engineered for 300A loads, this battery disconnect key provides failsafe protection by cutting off main battery power. It prevents parasitic drain during inactivity, helping preserve battery health, and offers an urgent system shutdown option when needed. Wide compatibility and scalable design: Suitable for current 1248V DC systems with a rating of 300A continuous and 1000A intermittent. Its innovative locking flange enables both individual and grouped installations for scalable power management. Robust construction for harsh environments: Encased in polished chrome aluminum to resist oxidation and damage. The sturdy design performs well in moisture, UVexposed, or temperaturefluctuating settings. Trusted for offgrid power, automotive, and marine use where a dependable battery cutoff is critical. Allinclusive accessories: This current battery disconnect key arrives ready to install with 1 sturdy disconnect key, 1 faceplate, 2 rubber terminal insulators for safety, plus 2 3/8inch copper lugs and 2 heavyduty heat shrink tubes. Use scenarios Marine applications: Use to isolate the main battery when leaving a boat unattended or docked for extended periods, preventing parasitic drain and enabling a quick shutdown in emergencies. RVs and caravans: Ideal for seasonal storage or longterm inactivity, helping to maintain battery health and prevent unwanted power draw. Offgrid and automotive DC systems: Suitable for 1248V systems in solarpowered setups, recreational vehicles, or vehicles with current needs, providing a reliable main power cutoff for maintenance or safety shutdowns.