Balmar SG200 Battery Monitor and MC-618 Regulator

Balmar’s SG200 Battery Monitor and MC-618 Regulator provide a complete view of your vessel’s electrical health.

Product Information

Boaters depend on their batteries for power, and they also endlessly wonder when there will be a voltage drop or if charging isn’t taking place as expected. Fortunately, the Balmar SG200 battery monitor and MC-618 ­regulator give you a complete package when it comes to system information. You can monitor both battery state and alternator performance from the color display or from a cellphone app, as well as change the programming functions and check parameters for charge state, temperature, field percentage and more.



Learns & Displays All Critical Battery Parameters

  • State of Charge (SoC%)
  • State of Health (SoH%)
  • Charge/Discharge Current Flow
  • Time Remaining
  • History, Faults & Alerts

Support for All Common Battery Chemistries & Voltages

  • Including Lead Acid, Lithium (LiFePO4), Standard AGM, TPPL AGM, Carbon Foam AGM, and GEL Batteries
  • Supports 12V-48V Battery Banks
  • Typically 97% Accurate for SoC% within 2 Cycles
  • Auto-Calibrating
  • Does not Lose Accuracy with Age

Large, Bright Color Display

  • Sunlight Readable, Configurable & Dimmable
  • 60 Degree Viewing Angle
  • Fits in Standard 2 1/16″ Gauge Socket

Expandable Architecture

  • Support Multiple Displays (Optional)
  • Supports Multiple Battery Banks (Optional)
  • Standard Support for 2 Start Batteries (Voltage Only)
  • Simple, easy-to-install Point-to-Point Network

Optional Smartphone/Bluetooth® Gateway

  • Free iOS and Android Apps (Requires Bluetooth® Gateway PN SG2-0300)
  • View All Parameters on your Phone
  • Download Product Updates