Victron Small Battery Management System (BMS)

Victron Energy SKU: BMS400100000

More Details

The Victron Small Battery Management System BMS optimises your battery performance and lifespan. This system safeguards against overcharging and deep discharging, ensuring safe operation. With a user-friendly interface and robust design, it's easy to install and expand, making it a versatile choice for various battery types.

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Victron Small Battery Management System (BMS)

Victron smallBMS battery management system for protecting 12V, 24V and 48V lithium battery systems. It provides load disconnect, pre-alarm and charge disconnect outputs for low-voltage control and charger shutdown in compact DC installations.

Key Features
Three-output control function

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

Wide DC operating range

Operates from 8 to 70V DC, covering 12V, 24V and 48V system voltages.

Low-current control outputs

Load output is rated to 1A, pre-alarm output to 1A, and charger output to 10mA for control-level switching.

Compact enclosure

Small ABS enclosure measuring 106 x 42 x 23mm and weighing 0.1kg for space-limited installs.

Status indication

Includes blue Load ON and red Temp or OVP LED indicators for local status checking.

Benefits
  • Supports multiple DC system voltages within one product range.
  • Provides separate control signals for load and charger management.
  • Compact size suits confined installation spaces.
  • Low current draw in normal operation supports low parasitic load.
Technical Summary

Victron smallBMS battery management system with 8–70V DC operating range, IP20 protection, and operating temperature range of -20 to +50°C. Load output is normally high with 1A source current limit; charger output is normally high with 10mA source current limit; pre-alarm output is normally free floating with 1A maximum output current. System on/off uses Remote L and Remote H terminals. Enclosure material is ABS, matt black.

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 H can be switched to battery positive and L to battery negative. 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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