Battery Monitors & Volt Meters

Sea-Dog Line Dual Round Voltmeter 421616-1This digital dual voltmeter displays voltage for main and auxiliary batteries simultaneously. The compact size allows installation in a wide variety of locations. Red LED display. IP65 rating. Injection molded...

Sea-Dog Line Battery Test Switch-Economy 422020-1Aluminum.

Sea-Dog Line Dual Voltmeter Rocker Switch 421636-1This rocker switch style dual voltmeter monitors and displays the voltage for main and auxiliary batteries simultaneously. Fits into any 13/16" × 1-7/16" rocker switch hole. Digital red LED display. IP65...

Sea-Dog Line Round Digital Voltage Meter 421615-1Compact size allows for installation in a variety of locations - the same round size as a standard 12V receptacle. For interior or fully protected locations only. Volts 4-30. Injection molded nylon...

Sea-Dog Line Round Digital Voltage/Ampmeter 421625-1Compact size allows for installation in a variety of locations - the same round size as a standard 12V receptacle. For interior or fully protected locations only. Volts 4-30. Injection molded nylon...