Knowledge Base › Battery Management Systems
Victron Energy smallBMS NG
Official manufacturer global verified Sept. 2, 2026
Identity
| category | battery_management_systems |
| manufacturer | Victron Energy B.V. |
| model | smallBMS NG |
| product_family | smallBMS NG |
| product_status | active |
| region | global |
| sku | UNKNOWN |
Electrical
| charge_disconnect_output | Source max current: 500 mA (not short circuit protected) |
| current_consumption_low_cell_voltage | 1.2 mA |
| current_consumption_remote_on | 3 mA |
| load_disconnect_output | Source max current: 1 A (not short circuit protected) |
| operating_voltage_range_vdc | 8 - 70 Vdc |
| pre_alarm_output | Maximum output current: 500 mA (not short circuit protected) |
| supported_system_voltages_v | 12, 24 or 48 V |
Physical / mechanical
| depth_mm | 23 |
| dimensions_h_w_d_mm | 106 x 42 x 23 |
| height_mm | 106 |
| weight_kg | 0.1 |
| width_mm | 42 |
Installation
| max_batteries_12v_24v_systems | 50 |
| max_batteries_48v_systems | 25 |
| series_parallel | 12 V, 24 V or 48 V systems; maximum 50 batteries (12 V/24 V) or 25 batteries (48 V) |
| supported_battery_types | Lithium Iron Phosphate (LiFePO4) batteries available in 12,8 V, 25,6 V and 51,2 V (Victron Lithium NG range) |
Environment
| operating_temperature | -20 to +50 °C |
| protection_class_ip | IP20 |
Interfaces & connectors
| bluetooth | UNKNOWN |
| bms_battery_connector | Victron NG BMS cable chain |
| remote_on_off | Yes (remote on input) |
| ve_bus | No |
| ve_can | UNKNOWN |
| ve_direct | UNKNOWN |
Protection
| charge_disconnect | Charge disconnect, source max current 500 mA (not short circuit protected) |
| load_disconnect | Load disconnect, source max current 1 A (not short circuit protected) |
| pre_alarm | Pre-alarm, maximum output current 500 mA (not short circuit protected) |
Certifications
| standards | ['EN 60950', 'EN 61000-6-3', 'EN 55014-1', 'EN 61000-6-2', 'EN 61000-6-1', 'EN 55014-2'] |
Warranty & service
| summary | UNKNOWN |
Documents
datasheet
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
BMS NG overview — located, not retrieved
datasheet
smallBMS NG
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Battery chemistry supported | Lithium Iron Phosphate (LiFePO4) batteries ... available in 12.8V, 25.6V and 51.2V |
| Current consumption, remote on | 3mA |
| documented_relationship:bms_battery | {"to_manufacturer": "Victron Energy", "to_model": "Lithium NG battery range (12,8 V / 25,6 V / 51,2 V)", "relationship_type": "bms_battery", "source": "Datasheet - smallBMS NG", "source_url": "https://www.victronenergy.com/upload/documents/Datasheet-smallBMS-NG-EN.pdf", "confidence": "officially-verified", "notes": "Supports LiFePO4 batteries in 12.8V, 25.6V and 51.2V; max 50 batteries (12V/24V) or 25 (48V) - matching the Lithium NG range limits"} |