Victron Small Battery Management System (BMS)

Victron Energy SKU: BMS400100000

More Details

The Victron Small Battery Management System (BMS) optimises battery performance and lifespan by ensuring safe and efficient operation. This user-friendly system features real-time monitoring and robust protection against overcharging, making it an ideal choice for installers and system owners seeking reliability and flexibility in battery management.

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Victron Small Battery Management System (BMS)

The Victron smallBMS is a battery management system for Victron Smart LiFePO4 batteries with M8 circular connectors. It provides load disconnect, pre-alarm and charge disconnect outputs for managing protected lithium battery systems.

Key Features
Three control outputs

Provides Load Disconnect, Pre-alarm and Charge disconnect outputs for battery protection and system control.

Operating voltage range

Works across 8 to 70V DC, covering 12V, 24V and 48V systems.

Load and pre-alarm control

Load output is rated to 1A and pre-alarm output to 1A for control signals and external switching logic.

Charge disconnect output

Charge output is rated to 10mA and is intended for control functions, not inductive loads such as relay coils.

Compact enclosure

Small 106 x 42 x 23mm enclosure with IP20 protection and 0.1kg weight.

Benefits
  • Provides separate outputs for load disconnect, pre-alarm and charge disconnect functions.
  • Compact size suits space-limited installations.
  • Low current draw in normal operation.
  • Can be used for remote on/off control of compatible control circuits and battery-related devices.
Technical Summary

Victron Energy smallBMS battery management system for Smart LiFePO4 batteries with M8 circular connectors. Operating voltage range 8 to 70V DC. Load output 1A maximum, pre-alarm output 1A maximum, charger output 10mA maximum. Current draw 2.2mA in normal operation, 1.2mA at low cell voltage, 1.2mA in remote off. IP20 enclosure, ABS material, dimensions 106 x 42 x 23mm, weight 0.1kg. Operating temperature -20 to +50°C.

Installation Notes

System on/off uses Remote L and Remote H terminals. A remote on/off switch or relay contact can be connected between L and H, or terminal H can be switched to battery plus and terminal L to battery minus. The Load output is not short-circuit protected. The Charger output is not suitable for inductive loads such as relay coils. Minimum delay between pre-alarm and load disconnect is 30 seconds.

Efficiency

Normal current draw is 2.2mA, with 1.2mA at low cell voltage and 1.2mA in remote off mode.

Manufacturer

Victron Energy

Commodity Code

8543709099

Dimensions (mm) (H x W x D)

85 x 125 x 35

Weight (kg)

0,08

PDF Icon

EN Victron SmallBMS With Pre Alarm Manual

PDF Icon

EN Victron SmallBMS With Pre Alarm Technical Datasheet

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