Blue Sea Voltmeters

Voltmeters give a "status report" on how charged your batteries are, especially when batteries have been idle for a few days or so. They also alert you to potentially dangerous deep discharges, and to even more hazardous overcharges.

DC Voltmeter measures DC voltage from 8-16 volts and is accurate to ±3%. Simple two-wire hookup. Display.
measures 2-1/2"square and requires a 2-1/16" mounting hole.

AC Voltmeter measures AC voltage up to 150 volts and is accurate to ±3%. Simple two-wire hookup. Display:
2.5" square. Cutout: 2-1/16".