The Victron Energy VE.Bus BMS V2 (MPN: BMS300200200) is the next generation of the VE.Bus BMS for Victron Lithium Smart batteries (LFP-Smart) 12.8V and 25.6V. Every single cell of a LiFePO4 battery must be protected against overvoltage, undervoltage and overtemperature. This is exactly the task taken on by the VE.BUS BMS V2. The product is suitable for protecting 12V, 24V and 48V battery banks and operates in an operating voltage range of 9 – 70 VDC.
VE-BUS BMS V2 in combination with Victron LiFePO4 batteries
Victron LiFePO4 batteries have built-in cell balancing, temperature and voltage control (abbreviated BTV). They are connected to the VE.Bus BMS V2 via two M8 circular connector cable sets. The BTVs of several batteries can be daisy-chained. They can be connected in series, in parallel and both in series and in parallel, so that a battery bank of 12V, 24V or 48V can be designed. Up to 20 batteries in one system are possible, resulting in an energy storage capacity of max. 84kWh in a 12V system and 102kWh in a 24V and 48V system. For further details, please refer to the technical documentation for our LiFePO4 battery.
Core functions of the Victron VE.Bus BMS V2
- Developed specifically for use with Victron Lithium Battery Smart 12.8 V & 25.6 V batteries.
- Communicates directly with the lithium battery via the battery's M8 circular connector cables
- Switching off or disconnecting VE.Bus inverters or inverter/chargers via VE.Bus and other loads via the "Load disconnect" terminal in the event of cell undervoltage
- Switching off or disconnecting VE.Bus inverters or inverter/chargers via VE.Bus, VE.Direct and VE.Can solar chargers via a GX device and other chargers via the "Charge disconnect" terminal in the event of cell overvoltage, undertemperature or overtemperature.
Difference from the VE.Bus BMS
The VE.Bus BMS V2 was developed specifically for use in systems with GX devices and is therefore perfectly suited to ESS or backup applications with a battery capacity of up to 84kWh (12V) or 102kWh (24V/48V).
In addition, the BMS V2 has a remote contact for remote control (ON/OFF).
Communication with VE.Bus products
MultiPlus, Quattro or Phoenix inverters are connected to the "MultiPlus/Quattro" port with a standard RJ45 UTP cable.
The BMS disables inverting in the event of cell undervoltage and charging in the event of cell overvoltage or overtemperature
Communication with remote control devices
A GX device (e.g. Cerbo GX), a Digital Multi Control (DMC) panel or a VE.Bus Smart Dongle (including any combination) can be connected to the BMS via the "Remote panel" port. This accessory can be used in combination with the BMS to remotely control the switching state of the VE.Bus inverter or inverter/charger (On / Off / Charger only)
Terminals for auxiliary inputs and outputs
The BMS has a dedicated power output (GX-Power) for a GX device and an additional power input (Aux-In) for an external DC source, e.g. a mains adapter. In the event of a system shutdown, the GX device continues to be supplied with power via the auxiliary voltage input or is disconnected from the grid to prevent further discharge of the battery
Technical specifications
- Input voltage range: 9-70VDC
- Current consumption - normal operation: 10mA (load disconnect current not included)
- GX-Pow output: 1A
- Aux-In input: 1A
- VE.Bus interface: 2x RJ45 sockets for connection to all VE.Bus products
- Operating temperature range: -20°C - +50°C
- Humidity: max. 95% (non-condensing)
- Protection class: IP20
- Weight: 120 grams
- Dimensions: 105.5 x 94.5 x 23.8 mm
Scope of delivery:
1x Victron Energy BMS300200200 VE.Bus BMS V2 Battery Management System
1x user manual
