Sailboat anchored in tropical waters, near a rocky island

System Monitoring

Get the insight you need to maximize your energy system.

We Provide:


Monitor any aspect of your system to gain better insight into charging sources, loads, battery status, and tank levels. Watch your PV production, alternator production, refrigeration consumption and more. With a deeper understanding of the energy flow in your system, you will be able to maximize your system performance.

Point-of-view shot looking at a cellphone from the deck of the boat


With numerous control options including generator auto-start, you can rest easy knowing that your batteries are well taken care of and you will have power when you need it. Remote monitoring and control options allow troubleshooting support and remote diagnostics.

Aerial shot of many boats on shallow water


The Team at OPE can help you determine what you need to maximize your system and stay within your budget. With numerous solutions available, we can help to integrate system monitoring with your existing or new system based on the monitoring preferences you have.

Battery Monitoring

BMV-700 battery monitor

BMV-700 Series

  • Measures amp-hours in and amp-hours out in order to give the most accurate state of charge of your battery
  • Displays current, voltage, power, Ah’s consumed, and state of charge
  • Displays “time to go” at the current rate of discharge
  • Programmable audio and visual alarms
  • Monitors monitors, voltage, temperature & midpoint voltage of a second battery bank (BMV702)

BMV-712 battery monitor


  • This monitor has all the powerful features of the BMV-700 & BMV-702 with the addition of:
    • Built-in Bluetooth

Smartshunt IP65 NEW


  • The SmartShunt is an all in one battery monitor which connects via Bluetooth to the VictronConnect App on your phone (or tablet) to display the battery data
  • Can also be connected and be read by a GX device
  • Equipped with Bluetooth, VE Direct port and a connection to monitor a second battery
  • Differences compared to BMV-712 Battery Monitor:
    • No programmable visual and audible alarm.
    • No programmable relay.

Balmar SG-200 parts and 2018 Innovation Award

Balmar SG-200

  • Displays state of charge (SOC%)- current charge relative to current capacity
  • Displays state of health (SoH%)- current capacity relative to original capacity
  • Monitors & displays charge/discharge current flow
  • Calculates time remaining based on current consumption
  • Logs history, faults & alerts
  • Optional Bluetooth gateway is available separately

Complete System Monitoring

Monitor and Cerbo GX Touch control system

Victron Cerbo GX & GX Touch

  • Comprehensive monitoring including battery status, charging status, loads, tanks and more
  • Communicates with and controls system components via:
    • GX Touch 50 or MFD via direct connection
    • Bluetooth to the VictronConnect app on any smart device
    • Victron Remote Management (VRM) portal for remote access
Cerbo GX Screen

Complete Control with CCGX

This all-new communication-center allows you to always have perfect control over your system from wherever you are and maximizes its performance. This latest addition to the GX-range combines all the best of connectivity, redefining smart power solutions in every way.

Victron remote monitoring dashboard

VRM Remote Monitoring

With a Victron GX device (such as a Cerbo) and WiFi connectivity, you can remotely monitor your energy systems from anywhere. Alarms, logging, and real-time data are all visible, and this data can be shared with anyone you’d like through the web-based VRM portal.