SKU:
CN VIBMS400100300
€ 100,98
1-2 weeks delivery time
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The Victron smallBMS NG (BMS400100300) is a compact Bluetooth-enabled Battery Management System designed exclusively for Victron Lithium NG batteries (not compatible with LiFePO₄ Smart series). It supports up to 50 batteries in 12/24V systems and 25 in 48V setups, enabling energy capacities up to 384 kWh. With integrated wireless diagnostics, configurable discharge thresholds, and three logic-level outputs (load, charge, and pre-alarm), it provides essential battery protection and system automation for mobile, marine, and stationary power systems—without needing VE.Bus devices.
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Victron Energy smallBMS NG – Smart Bluetooth BMS for Lithium NG Batteries (BMS400100300)
The smallBMS NG is a streamlined and intelligent Battery Management System for Victron's Lithium NG battery line. Unlike earlier smallBMS models, this version includes Bluetooth Smart connectivity for wireless configuration, monitoring, and firmware updates via the VictronConnect app. It offers critical protections for voltage, temperature, and state-of-charge conditions, and is ideal for applications that do not require VE.Bus integration with inverter/chargers.
Main Features
- Compatible with Victron Lithium NG batteries (12.8V, 25.6V, 51.2V)
- Bluetooth Smart: Wireless diagnostics, firmware updates, and settings via VictronConnect
- Discharge floor configuration with low SoC alarm and auto load shutoff
- Pre-alarm output triggers visual/audio warning at low voltage or SoC
- Load and Charge Disconnect outputs for controlling external devices
- Remote On/Off control via digital input (L/H terminals)
- Compact, reliable, and cost-effective BMS alternative
Electrical Specifications
Parameter Value Operating Voltage (Vbat) 8 – 70 VDC Remote On Current Draw 3 mA Low Cell Voltage Current 1.2 mA Remote Off Current 1.2 mA Load Disconnect Output 1 A max, Vbat – 0.1 V (not short-circuit protected) Charge Disconnect Output 500 mA max, Vbat – 0.1 V (not short-circuit protected) Pre-Alarm Output 500 mA max, Vbat – 0.1 V (not short-circuit protected)
Remote Control Modes
- ON when L and H terminals are shorted
- ON when L is pulled to battery minus (V < 3.5 V)
- ON when H is high (2.9 V < VH < Vbat)
- OFF in all other conditions
Mechanical and Environmental
Parameter Value Dimensions (HxWxD) 106 × 42 × 23 mm Weight 0.1 kg Enclosure Material ABS, matte black Operating Temperature -20°C to +50°C Humidity Max 95% (non-condensing) Protection Rating IP20
System Capacity
- Supports up to 50 batteries at 12V/24V (max. 384 kWh)
- Supports up to 25 batteries at 48V (max. 128 kWh)
Certifications
- Safety: EN 60950
- EMC: EN 61000-6-3, EN 55014-1
- Immunity: EN 61000-6-2, EN 61000-6-1, EN 55014-2
- Automotive: UN/ECE-R10 Rev.4 (pending)
Application Examples
Perfect for Victron NG battery systems in RVs, boats, and off-grid power installations where centralized inverter/charger control isn’t needed. The smallBMS NG integrates well with SmartSolar chargers, BatteryProtect, DC-DC converters, and Cyrix-Li relays to offer complete, modular lithium energy systems with Bluetooth-based control.
Documents
Victron Energy smallBMS NG Size: 427,5 Kb -
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