Victron BMV-712 Smart Battery Monitor (Black / 9-90V / Retail)

The Victron VE.Bus BMS V2 is an advanced Battery Management System (BMS) designed specifically for use with Victron Lithium Battery Smart (LiFePO4) batteries in systems incorporating Victron MultiPlus, MultiPlus-II, Quattro, and Phoenix VE.Bus inverter/chargers. Acting as the central safety and control hub of a lithium battery installation, the VE.Bus BMS V2 continuously monitors battery status and protects individual cells against over-voltage, under-voltage, over-temperature, and under-temperature conditions.

The VE.Bus BMS V2 provides intelligent control of connected chargers, loads, and inverter/chargers to prevent battery damage and maximise system reliability. It can automatically disconnect loads during low-voltage events, disable charging during unsafe operating conditions, and generate pre-alarm warnings before critical battery conditions occur.

Compared with the original VE.Bus BMS, the V2 version adds support for GX devices, VE.Bus Smart Dongles, Digital Multi Control panels, remote on/off functionality, and enhanced integration with Victron's DVCC (Distributed Voltage and Current Control) ecosystem.

Key Features

• Designed for Victron Lithium Battery Smart batteries
• Compatible with MultiPlus, MultiPlus-II, Quattro and Phoenix VE.Bus systems
• Protects against:
  • Cell over-voltage
  • Cell under-voltage
  • High temperature
  • Low temperature
• Generates battery pre-alarm warnings
• Load Disconnect output
• Charge Disconnect output
• Remote On/Off terminals
• GX device compatibility
• VE.Bus Smart Dongle compatibility
• Digital Multi Control compatibility
• Supports DVCC operation
• Allows remote monitoring and control through Victron GX systems
• Auxiliary power input and GX power output
• Firmware update capability
• Compact DIN-style installation design
• Essential component for Victron Lithium Smart battery systems

Technical Specifications

Advanced System Protection

Battery Cell Protection

The VE.Bus BMS V2 continuously monitors each battery cell through the battery's integrated BTV (Balancing, Temperature and Voltage) system and automatically responds to unsafe conditions before damage can occur.

Load Disconnect Function

When battery voltage becomes critically low, the BMS can disconnect loads to prevent excessive battery discharge and protect battery health.

Charge Disconnect Function

If battery cells reach high voltage limits or unsafe temperatures, the BMS automatically disables charging sources to prevent battery damage.

Pre-Alarm Output

A dedicated pre-alarm output provides an early warning before a low-voltage shutdown occurs, allowing corrective action before the system disconnects.

GX Device Integration

The VE.Bus BMS V2 integrates seamlessly with Victron GX devices such as:

• Cerbo GX
• Color Control GX
• Venus GX
• Ekrano GX

This enables:

• DVCC (Distributed Voltage and Current Control)
• Advanced charger control
• Remote monitoring via VRM Portal
• Centralised system management
• Remote firmware updates

Compatible Victron Products

The VE.Bus BMS V2 is designed for use with:

• Victron Lithium Battery Smart batteries
• MultiPlus inverter/chargers
• MultiPlus-II inverter/chargers
• Quattro inverter/chargers
• Phoenix VE.Bus inverters
• SmartSolar charge controllers (via GX device)
• Cerbo GX and other GX products
• VE.Bus Smart Dongle
• Digital Multi Control panels

Ideal Applications

• Motorhomes and campervans
• Caravans
• Marine and yacht electrical systems
• Off-grid solar installations
• Backup power systems
• Energy storage systems
• Mobile commercial vehicles
• Telecommunications systems
• Renewable energy storage installations

Why Choose the VE.Bus BMS V2?

The Victron VE.Bus BMS V2 is the essential safety and control component for Victron Lithium Battery Smart systems using VE.Bus inverter/chargers. By providing comprehensive battery protection, intelligent charger and load management, GX device integration, and advanced system control, it ensures maximum battery lifespan, operational safety, and seamless performance across mobile, marine, off-grid, and energy storage installations. Its enhanced connectivity and compatibility make it the preferred BMS solution for modern Victron lithium power systems.

Victron BMV-702 Series Battery Monitor Gauge (Retail) – BAM010702000R

Product Description

The Victron BMV-702 Battery Monitor is a high-precision battery monitoring system designed to provide accurate real-time information about battery performance and state of charge. Ideal for motorhomes, campervans, caravans, boats, off-grid solar systems, and backup power installations, the BMV-702 acts as a comprehensive battery "fuel gauge", helping users maximise battery life and optimise system performance. It continuously monitors battery voltage, current flow, power consumption, amp-hours consumed, state of charge, and remaining runtime.

Unlike basic voltmeters, the BMV-702 uses advanced software algorithms to calculate true battery state of charge by analysing current flow, battery capacity, discharge rates, and charging behaviour. It also records valuable historical performance data, helping users identify battery health issues and optimise charging cycles.

A key advantage of the BMV-702 over the standard BMV-700 is its additional auxiliary input, which can be configured to monitor a second battery voltage, battery temperature, or midpoint voltage in larger battery banks. This makes it particularly useful for dual-battery systems and series-connected battery installations.

Key Features

• High-precision battery monitoring system
• Displays battery voltage, current and power consumption
• Calculates state of charge (SOC)
• Amp-hour consumption monitoring
• Remaining runtime ("Time-To-Go") calculation
• Historical battery performance logging
• Programmable visual and audible alarms
• Built-in programmable relay output
• Additional input for:
  • Second battery voltage
  • Battery temperature monitoring
  • Battery midpoint monitoring
• VE.Direct communication port
• Compatible with Victron GX devices
• Optional Bluetooth monitoring via VE.Direct Smart Dongle
• Includes 500A precision shunt
• Suitable for 12V, 24V, 48V and larger systems
• Easy installation and configuration

Technical Specifications

Monitoring Functions

Battery Fuel Gauge

The BMV-702 continuously calculates:

• State of Charge (SOC)
• Amp-hours consumed
• Battery voltage
• Charging and discharge current
• Power consumption (Watts)
• Remaining runtime

This provides a far more accurate representation of battery condition than voltage readings alone.

Time-To-Go Calculation

The monitor estimates how much runtime remains based on current power consumption and battery capacity, allowing users to manage energy usage more effectively.

Historical Data Logging

Stores valuable historical information including:

• Deepest discharge
• Average discharge
• Number of charge cycles
• Total amp-hours drawn
• Battery performance trends

This information can be used to assess battery health and system efficiency.

Additional Monitoring Features

Second Battery Monitoring

The auxiliary input can monitor the voltage of a starter battery or secondary battery bank, making it ideal for dual-battery motorhome and marine systems.

Battery Temperature Monitoring

When used with the optional Victron temperature sensor, the BMV-702 can display battery temperature and share this data with compatible Victron chargers and solar controllers.

Midpoint Voltage Monitoring

For larger battery banks connected in series, midpoint monitoring helps identify cell imbalance or battery faults before serious damage occurs.

Connectivity & Integration

The BMV-702 integrates seamlessly with the Victron ecosystem through its VE.Direct communication port and supports connection to:

• Cerbo GX
• Ekrano GX
• Color Control GX
• Venus GX
• VRM Remote Monitoring Portal
• VictronConnect App (with optional Bluetooth Smart Dongle)
• VE.Smart Networking systems

This allows local and remote monitoring of battery performance across complete Victron installations.

What's Included

• BMV-702 Display Unit
• 500A / 50mV Precision Shunt
• 10m RJ12 Data Cable
• 2m Fused Power Cable
• Round and Square Mounting Bezels
• Mounting Hardware
• User Documentation

Ideal Applications

• Motorhomes and campervans
• Caravans
• Marine and boating systems
• Off-grid solar installations
• Backup power systems
• Renewable energy storage
• Commercial vehicle electrical systems
• Telecommunications equipment
• Battery banks with inverter systems

Why Choose the Victron BMV-702?

The Victron BMV-702 is one of the most trusted battery monitoring systems available, offering precise state-of-charge calculations, advanced historical data logging, second battery monitoring, temperature sensing capability, and seamless integration with the Victron ecosystem. For users who need accurate battery information and maximum control over their energy system, the BMV-702 provides professional-grade monitoring that helps extend battery life and improve overall system performance.