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

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

$50.99
$101.99 $50.99
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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

Parameter Value
Working Voltage 6–18V
Rated Current 240A
Instantaneous Current 500A
Low Voltage Alarm 11.8V ± 0.2V
High Voltage Alarm Above 13.2V
Auto Shutoff Delay 120 Seconds
Alarm Duration 60 Seconds
Compatibility 12V / 24V Vehicle Systems
Display LED Digital Tube

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
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