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Victron Energy VE.Bus BMS V2


The Victron Energy VE.Bus BMS V2 is an advanced Battery Management System that provides comprehensive protection for Victron Lithium Battery Smart systems.

Monitors and protects each individual cell against overvoltage, undervoltage, and temperature extremes. Communicates via VE.Bus with Victron inverters and inverter/chargers. Compatible with Victron GX devices, Digital Multi Control panels, and VE.Bus Smart dongles. Supports up to 20 batteries in a single system. Equipped with GX-Power and Aux-In terminals for powering connected devices. Dimensions: 24 x 95 x 106 mm Weight: 0.2 kg
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SKU: BMS300200200
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Product Details

The Victron Energy VE.Bus BMS V2 is an advanced Battery Management System designed to interface with and protect Victron Lithium Battery Smart 12.8V and 25.6V batteries. Ideal for off-grid, marine, and mobile power systems, it ensures safe and efficient operation by monitoring individual cell voltages and temperatures.

Key Features:

  • Comprehensive Battery Protection: Monitors and protects each individual cell against overvoltage, undervoltage, and temperature extremes, ensuring the longevity and safety of your battery system.
  • Seamless Integration with Victron Inverters: Communicates via VE.Bus with Victron inverters and inverter/chargers, enabling automatic load and charge disconnects in case of abnormal battery conditions.
  • Remote Monitoring and Control: Compatible with Victron GX devices, Digital Multi Control panels, and VE.Bus Smart dongles, allowing for remote monitoring and control of the battery system.
  • Expandable System Capacity: Supports up to 20 batteries in a single system, providing scalable energy storage solutions for larger applications.
  • Auxiliary Power Terminals: Equipped with GX-Power and Aux-In terminals to supply power to connected devices, enhancing system flexibility.

Technical Specifications:

  • Dimensions: 24 x 95 x 106 mm
  • Weight: 0.2 kg
  • Compatibility: Designed for 12.8V and 25.6V Victron Lithium Battery Smart batteries
  • Maximum Number of Batteries: 20
  • Communication Ports: VE.Bus, Remote Panel
  • Power Terminals: GX-Power, Aux-In

The VE.Bus BMS V2 is an essential component for ensuring the safety and efficiency of your Victron lithium battery system, providing comprehensive protection and seamless integration with Victron's range of products.

Product Specifications

System Capacity & Compatibility

  • Battery Compatibility: Victron Lithium Battery Smart (12.8V or 25.6V).
  • System Voltages: 12V, 24V, or 48V configurations.
  • Maximum Batteries: Supports up to 20 batteries in a single system.
  • Maximum Energy Storage: Up to 84 kWh in a 12V system; up to 102 kWh in 24V and 48V systems.
  • Inverter Support: Compatible with MultiPlus, Quattro, and VE.Bus Inverters (Note: devices with small processors labeled 19XXXXX or 20XXXXX are not supported).

Protective Functions

  • Individual Cell Monitoring: Integrated cell voltage monitoring and balancing.
  • Pre-alarm: Generates a signal to alert of an imminent cell under-voltage condition before disconnecting loads.
  • Load Disconnect: Disables inverting in VE.Bus units and disconnects other loads via the "Load Disconnect" terminal during cell under-voltage.
  • Charge Disconnect: Disables charging in VE.Bus units, solar chargers (via GX device), and other chargers via the "Charge Disconnect" terminal during over-voltage or temperature faults.

Electrical Specifications

  • Input Voltage Range: 9 – 70 VDC
  • Current Draw (Normal Operation): 10 mA (excluding Load disconnect current)
  • Current Draw (Low Cell Voltage): 2 mA
  • Current Draw (Remote Off): 1.5 mA
  • Load Disconnect Output: Normally high (≈ supply voltage – 1V); Floating on disconnect. (Source current limit: 1 A; Sink current: 0 A).
  • Charge Disconnect Output: Normally high (≈ supply voltage – 1V); Floating on disconnect. (Source current limit: 10 mA; Sink current: 0 A).
  • Pre-alarm Output: 1 A (not short-circuit protected).

Connectivity & Interfaces

  • VE.Bus Port: 2x RJ45 sockets for connection to MultiPlus, Quattro, or Inverters.
  • Remote Panel Port: Connects GX devices (e.g., Cerbo GX), Digital Multi Control (DMC), or VE.Bus Smart dongles for remote system state control (on/off/charger-only).
  • GX-Power Output: Dedicated 1 A power terminal for a GX device.
  • Aux-In Input: 1 A auxiliary power input terminal.
  • Remote Terminals (L & H): Used for a remote on/off switch or relay contact to toggle the BMS state.

Mechanical & Environmental

  • Dimensions (h x w x d): 23.8 mm x 94.5 mm x 105.5 mm
  • Weight: 120 g
  • Enclosure Material: ABS (Matt black with blue sticker)
  • Protection Grade: IP20
  • Operating Temperature: -20 to +50 °C (0 – 120 °F)
  • Humidity: Max. 95 % (non-condensing)

Indicators (LEDs)

  • Status (Blue): Indicates normal operation (flashes every 10 seconds).
  • Temp or Cell > 4V (Red): Indicates charge disconnect due to over-voltage or over-temperature.
  • Cell > 2.8V (Blue): Indicates load disconnect output is high and cells are within safe voltage range.

Standards & Compliance

  • Safety: EN 60950
  • Emission: EN 61000-6-3, EN 55014-1
  • Immunity: EN 61000-6-2, EN 61000-6-1, EN 55014-2
  • Automotive: EN 50498

Shipping & Collection

Tracked Delivery (Currently 1-3 business days):

  • Free over £250.
  • £5.99 for orders under £250.
  • £5.99 for orders under £50.

Next Business Day Delivery:

  • £15 Flat Rate.

Collection:

  • Free to collect from our warehouse.

Pre-Order:

  • 5-10 Business Days delivery unless otherwise stated.

Shipping Policy

Datasheets
Victron Energy VE.Bus BMS V2 - Manual
Victron Energy VE.Bus BMS V2 - Data Sheet
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