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Heavy Duty Car Battery Disconnect Switch, Manual Circuit Breaker & Leakage Protector, Universal 12V 24V Auto Power Cut-Off for Vehicle Maintenance & Security

<ul><li>Pure Copper Construction for Efficient Conduction & Heat Dissipation - Crafted with thickened pure copper components and brass parts, the delivers superior conductivity, low resistance, and minimal power loss. The flame-retardant blue ABS metal housing enhances heat dissipation, ensuring long-term stable operation, while resisting rust and oxidation in harsh automotive environments for years of reliable use.</li><li>100A High Current & 12/24V Dual Voltage Compatibility - Handles continuous loads up to 100A with a peak surge capacity of 1000A, both 12V and 24V battery systems. Ideal for cars, trucks, RVs, ships, and other heavy-duty vehicles, it efficiently cuts off the negative power supply to prevent battery idle power consumption.</li><li>Negative Pole Cut-Off & Tool-Free Operation - Compared to positive pole cut-off, the negative pole circuit disconnection function significantly reduces short-circuit risks, ensuring safer operation. Equipped with a manual knob, it enables tool-free, instant ON/OFF switching, allowing quick battery connection or disconnection without extra tools.</li><li>Compact Design & Erosion-Resistant Terminals - Features a compact PCB design that fits perfectly in small spaces like battery compartments and trunks. Equipped with 865cm erosion-resistant brass terminals, it supports series/parallel wiring for flexible installation, fitting most battery setups without modification.</li><li>Professional Battery Management & Protection - Completely cuts off parasitic power consumption from standby electronic devices (clocks, alarms), minimizing battery loss and extending battery life—ideal for long-term stored vehicles. It also provides reliable electrical isolation, protecting vehicle electrical components from unexpected power surges during maintenance.</li></ul>

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Description:Zinc alloy structure, efficient conduction: The is forged from high-purity aluminum to ensure low resistance and minimal power loss. The metal housing effectively dissipates heat to ensure long-term stable operation.12/24V dual voltage compatible: Suitable for 12V and 24V battery systems, suitable for cars, trucks, RVs, ships, etc., it can cut off the negative power supply to prevent the battery from idling and consuming power.Negative pole cut-off function, safe and convenient: Compared with the positive pole cut-off, the negative pole circuit disconnection function reduces the risk of short circuit and is safer to operate. The manual knob enables tool-free switching.Compact PCB design, saving installation space: The small shape fits in small spaces (battery compartment, trunk). Standard terminals support series/parallel wiring for flexible installation.Professional battery management, extending battery life: Completely cut off the parasitic power consumption of standby electronic devices (clocks, alarms), minimizing battery loss-ideal for the maintenance of long-term storage vehicles.Note: This product is suitable for vehicles with a pile head diameter of 16mm-17mm. Please confirm your vehicle size before ordering.Product Contents:1 pcs new car battery disconnect .: