Victron MiniBMS

The miniBMS from Victron Energy (MPN BMS400100000) is a simple and cost-effective alternative to the VE.Bus BMS and can replace the VE.Bus BMS in several applications. Important exceptions here are VE.Bus devices such as the Multiplus and Quattro series, because unlike the VE.Bus BMS, the miniBMS does not have its own VE.Bus port. The miniBMS is designed for use with Victron Smart LiFePo4 batteries with M8 round connectors and, similar to the VE.BUS BMS, has two outputs. The operating voltage range is 9–70 VDC.

Core tasks of the Victron miniBMS

• Shutting down or disconnecting loads in the event of imminent undervoltage
• Shutting down or disconnecting the battery chargers in the event of imminent cell overvoltage or overtemperature

"Load Disconnect"

The "Load Disconnect" output is normally HIGH and is set to "free floating" when cell undervoltage is imminent. Maximum current: 2A.

The "Load Disconnect" output can be used to control the following functions:

• remote control switching on/off of a load and/or
• remote switching on/off of an electronic load switch (BatteryProtect)

"Charge Disconnect"

The "Charge Disconnect" output is normally HIGH and becomes "free floating" when cell overvoltage or overtemperature is imminent. Maximum current: 10 mA.

The "Charge Disconnect" output can be used to control the following functions:

• remote control of charger on/off
• and/or a Cyrix Li charger relay
• and/or a Cyrix Li-ct battery coupler

The "System on/off" input

The "System on/off" input controls both outputs. When it is off, both outputs are switched to "free floating." This means that the loads and chargers are switched off. The "System on/off" input has two connections: Remote L and Remote H. A remote-controlled on/off switch or a relay contact can be connected between L and H. Alternatively, connection H can be connected to a battery positive terminal or L to a battery negative terminal.

Scope of delivery:

1x Victron Energy BMS400100000 miniBMS
1x operating instructions