Car Battery Auto Power Off Switch with LED Voltage Display - 12V/24V Anti-Drain Protection, Low Voltage Alarm, 240A Remote Control Battery Disconnect

Car Battery Auto Power-Off Switch with LED Voltage Display - 12V/24V Anti-Drain Protection

Stop waking up to a dead battery. This intelligent auto power-off switch continuously monitors your car battery voltage via a real-time LED display and automatically cuts power when voltage drops too low — preventing drain and leakage while the vehicle is parked. Features remote control operation and dual high/low voltage alarms for complete battery protection.

Key Features

• LED Digital Voltage Display: Real-time battery voltage readout at a glance
• Auto Power-Off Protection: Automatically disconnects at low voltage to prevent battery drain
• Low Voltage Alarm: Alerts at 11.8V (±0.2V) with 60-second warning before cutoff
• High Voltage Protection: Triggers alarm above 13.2V to guard against overcharge damage
• Remote Control: Convenient wireless on/off operation
• 240A Rated / 500A Instantaneous: Handles high-current starting loads safely
• 12V/24V Adaptive: Compatible with both 12V and 24V vehicle electrical systems
• Auto Power Failure: 120-second automatic shutoff in low voltage mode

Specifications

Use Cases

• Preventing battery drain during long-term vehicle storage
• Protecting classic cars and seasonal vehicles from dead battery
• Monitoring battery health on trucks, SUVs, and RVs
• Anti-theft power cutoff with remote control convenience