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Victron miniBMS

$83.20

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Description

A simple and low cost alternative to the VE.Bus BMS 

The miniBMS / smallBMS can replace the VE.Bus BMS in several applications. It is however not suitable for use with VE.Bus MultiPlus and Quattro inverter/chargers as it has no VE.Bus interface. The smallBMS is intended for use with Victron Smart LiFePo4 batteries with M8 circular connectors. The miniBMS/smallBMS has three outputs, similar to the VE.Bus BMS.

Load Disconnect output

The Load output is normally high and becomes free floating in case of cell under voltage (default 2,8V/cell, adjustable on the battery between 2,6V and 2,8V per cell). Maximum current: 1A. The Load output is not short-circuit protected. The Load output can be used to control:

  • A high current relay or contactor.
  • The remote on/off input of a Battery Protect, inverter or DC-DC converter or other loads.

Pre-alarm output

The pre-alarm output is normally free floating and becomes high in case of imminent cell under voltage (default 3,1V/cell, adjustable on the battery between 2,85V and 3,15V per cell). Maximum current: 1A (not short circuit protected). The minimum delay between pre-alarm and load disconnect is 30 seconds.

Charge disconnect output

The Charger output is normally high and becomes free floating in case of imminent cell over voltage or over temperature. Maximum current: 10mA. The Charger output is not suitable to power an inductive load such as a relay coil. 

The Charger output can be used to control:

  • The remote on/off of a charger
  • A Cyrix-Li-Charge relay
  • A Cyrix-Li-ct Battery Combiner

System on/off input

The system on/off input controls both outputs. When off, both outputs will be free floating so that loads and chargers are turned off. The System on/off consists of two terminals: Remote L and Remote H. A remote on/off switch or relay contact can be connected between L and H. Alternatively, terminal H can be switched to battery plus, or terminal L can be switched to battery minus.

Protects 12V, 24V and 48V systems

The miniBMS/smallBMS has na operating voltage range of 8 to 70V DC.

LED indicators 

  • Load ON (blue): Load output high (cell voltage >2.8V, adjustable on the battery)
  • Temp or OVP (red): Charger output free floating (due to cell over temperature (>50°C), cell under temperature (<5 °C) or cell over voltage)

Application Examples:

: Application example for a DC off-grid system, with system on/off switch between L and battery negative

 

Application example for a vehicle or boat, with system on/off switch between L and battery negative

 

SKU 3509
Model # BMS400100000
Barcode # 8719076043485
Brand Victron Energy
Shipping Weight 0.0900kg
Shipping Width 0.110m
Shipping Height 0.035m
Shipping Length 0.085m
Shipping Cubic 0.032725000m3
Additional information
Weight 0.09 kg
Dimensions 3.5 × 11 × 8.5 cm
Brand

Color

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