Safe ProtectionThe battery kill switch can cut off the power supply to the vehicle or the on-board battery for safety. If you do not use the battery for a long time, it also saves energy. MaterialMade of tinned red copper core and ABS plastic. Tin plating improves the antioxidant and discoloration performance of red copper and prolongs the rust protection time, while having no influence on the conductivity. Widely CompatibleIs used for 12 - 48 V system, 275 A (permanent) / 455 A (intermittent) / 1250 A (momentary). Can be used alone or interlocked with another switch to minimize battery loss and effectively prevent current leakage. Wide ApplicationsThe battery switch serves as a car kill switch for RVs, ATVs, cars, boats, caravans, trucks, etc. Easy to UseThe battery isolator has clear color labels to mark the On/Off positions. ON = On switch (green), OFF = Off switch (red).