Description
Description
VE.Bus BMS NG
The VE.Bus BMS NG is an all-in-one Battery Management System (BMS) for Victron Lithium NG batteries (not compatible with Lithium Battery Smart batteries), designed for systems with Victron inverters or inverter/chargers using VE.Bus communication. It monitors and protects the batteries against overvoltage and under-voltage of any individual cell, and also against over-temperature or under-temperature conditions.
With built-in Bluetooth, it connects directly to all lithium NG batteries in the system for central monitoring via VictronConnect. It also receives current and state of charge data directly from the batteries, so there’s no need for a separate SmartShunt.
The lithium NG batteries can be configured in series, parallel, or a combination of both, supporting 12V, 24V, and 48V systems. A maximum of 50 batteries can be used in 12V or 24V banks, and 25 batteries in 48V banks, enabling up to 192 kWh (12V), 384 kWh (24V), and 128 kWh (48V) of storage. Multiple Lynx Smart BMS units can be paralleled to expand capacity and ensure redundancy.
Features:
- Load disconnect output: Controls the remote on/off input of a BatteryProtect, inverter, DC-DC converter, or other loads with remote on/off functionality to prevent deep discharge.
- Charge disconnect output: Controls the remote on/off port of chargers such as the Smart IP43 Charger, a Cyrix-Li-Charge relay, a Cyrix-Li-ct Battery Combiner, or a BatteryProtect, to prevent overvoltage.
- Pre-alarm output: Provides early warning for low battery voltage before disconnecting loads. Can drive a relay, LED, or buzzer.
Specifications
Specifications
Identification
| MPN | BMS300200300 |
|---|---|
| Barcode | 8719076063520 |
Electrical
| Input Voltage Range | 9 - 70 VDC |
|---|---|
| Compatible System Voltages | 12V, 24V, 48V (Lithium NG batteries) |
| Max Battery Bank Size | 50 batteries (12V/24V banks), 25 batteries (48V banks) |
| Load Disconnect Output | 1 A source current |
| Charge Disconnect Output | 10 mA source current |
| GX Power Output | 1 A |
| Pre-Alarm Output | 1 A, not short circuit protected |
| Quiescent Current | 10 mA (regular), 2 mA (low cell voltage mode) |
Physical
| Dimensions (HxWxD) | 23.2 x 95.0 x 105.8 mm |
|---|---|
| Weight | 120 g |
| Enclosure Material | ABS, matt black |
| Protection Category | IP20 |
| Operating Temperature | -20 to +50 °C |
| Connectors | 2x RJ45 (VE.Bus), remote panel port for GX devices |
Certifications
| Automotive | ECE R10/6 |
|---|
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* ALL WARRANTY IS THROUGH MANUFACTURE *



