Blue Sea 1830 M2 DC SoC State of Charge Monitor 
M2 DC SoC State of Charge Monitor
Accurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios.
Auto-dimming, bright OLED display is easy to read
Easy to adjust
92dB alarm on all models
Isolated MOSFET relay
Meter: Current Voltage
Function: 8 to 70V to 5000A (500A with included shunt)
Alarms: High Current, High/Low Voltage, Low Battery
Display Size: 55mm x 28mm
Input Voltage: 7-70V DC
Maximum Power Consumption:1.00Watt
Minimum Power Consumption: 0.3 Watt
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.