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Victron SmallBMS With Pre-Alarm

By Victron
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$68.00 CAD
$68.00 CAD
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Short Description:

The smallBMS can replace the VE.Bus BMS V2 in several applications. It is however not suitable for use with VE.Bus MultiPlus and Quattro inverter/chargers: it has no VE.Bus interface. The smallBMS is intended for use with Victron Smart LiFePo4 batteries with M8 circular connectors.

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Victron SmallBMS with Alarms
$68.00 CAD
$68.00 CAD

Victron SmallBMS With Pre-Alarm Description:

The smallBMS can replace the VE.Bus BMS V2 in several applications. It is however not suitable for use with VE.Bus MultiPlus and Quattro inverter/chargers: it has no VE.Bus interface. The smallBMS is intended for use with Victron Smart LiFePo4 batteries with M8 circular connectors.

The smallBMS has two outputs, similar to the VE.Bus BMS V2.

 

Parameter Value
Operating voltage (Vbat) 8 – 70 VDC
Recommended fuse size 0.3 A - 2.5 A, dependent on devices connected to Load disconnect and pre-alarm output
Current consumption, remote on 2.2 mA (excluding Load and Charge disconnect output current)
Current consumption, low cell voltage 1.2 mA
Current consumption, remote off 1.2 mA
Load disconnect output Normally high (Vbat – 0.1 V), Source current limit: 1A (not short circuit protected), Sink current: 0A (output free floating)
Charge disconnect output Normally high (Vbat –0.6 V), Source current limit: 10mA (short circuit protected), Sink current: 0A (output free floating)
Pre-alarm output Normally free floating, In case of alarm: output voltage Vbat -0.1 V, Maximum output current: 1A (not short circuit protected)

Remote on/off

Remote L and Remote H

 Use modes:
1. ON when the L and H terminal are interconnected
2. ON when the L terminal is pulled to battery minus (V <3.5 V)
3. ON when the H terminal is high (2.9 V 4. OFF in all other conditions
Operating temperature range -20 to +50 °C (0 – 120 °F)
Humidity Max. 95 % (non-condensing)
Protection grade IP20
Material and colour ABS, matt black
Weight 0.1 kg
Dimensions (h x w x d) 106 x 42 x 23 mm

  • Load disconnect output: Can be used to control the remote on/off input of a BatteryProtect,
    Inverters, DC-DC converter or other loads that have remote on/off port functionality. Due to its
    maximum output current of 1A, it can even control a high-current relay or a contactor. Note that a
    non inverting or inverting on/off cable may be required, please consult the manual.

  • Pre-alarm output: The pre-alarm output can be used to issue a visible or audible warning when the
    battery voltage is low and will trip with a minimum delay of 30 seconds before the Load disconnect
    output is disabled due to cell undervoltage.
  • Charge disconnect output: Can be used to control the remote on/off port of a charger, such as the Smart Charger IP43, a Cyrix-Li-Charge relay, a Cyrix-Li-ct Battery Combiner or a BatteryProtect. The output is normally high and becomes free floating in case of imminent low cell voltage or high/low temperature. Note that the Charge disconnect output is not suitable to power an inductive load such as a relay coil.

  • Remote on/off terminal: Both the Load and Charge disconnect output can be controlled remotely
    via the remote on/off terminal. When off, both outputs will be free floating so that loads and
    chargers are turned off.

  • LED indicators: The smallBMS has two LED indicators, a blue LED indicating that the Load disconnect output is still high and the cell voltage is above the threshold set in the battery, and a red LED indicating that the Charge disconnect output is low due to high/low cell temperature or high cell voltage