• 12V signal triggers relay to connect battery power to devices


• When signal is removed the timer is activated and will disconnect devices after a preset time


• Timer ranges from 15 minutes to 4 hours

• Senses low battery voltage and automatically disconnects devices


• Low voltage setting can be used in conjunction with Timer Disconnect. Low voltage will disconnect devices prior to preset time to preserve battery power

• Automatically combines 2 batteries for charging, isolates them when discharging


• Single side sensing design only monitors the voltage of the start battery


• Ideal for AGM auxiliary batteries or batteries larger than the start battery

• 12V signal will connect or disconnect relay without any time delay

Can be configured to be used as one of the following battery saving products:
Timer Disconnect

• 12V signal triggers relay to connect battery power to devices


• When signal is removed the timer is activated and will disconnect devices after a preset time


• Timer ranges from 15 minutes to 4 hours

• Senses low battery voltage and automatically disconnects devices


• Low voltage setting can be used in conjunction with Timer Disconnect. Low voltage will disconnect devices prior to preset time to preserve battery power

• Automatically combines 2 batteries for charging, isolates them when discharging


• Single side sensing design only monitors the voltage of the start battery


• Ideal for AGM auxiliary batteries or batteries larger than the start battery

• 12V signal will connect or disconnect relay without any time delay

Blue Sea ATD Automatic Timer Battery Disconnect