Victron BMV-712 Battery Monitor Kit

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60-VTBMV.png

Victron BMV-712 Battery Monitor Kit

235.00

Battery monitor kit with programmable relay.  Measures voltage, current, capacity, and temperature.  Can work with any battery type.  Built-in Bluetooth.  Compatible with the Color Control Monitor.

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The BMV-712 kit can be programmed to provide a cold weather charging disconnect for an AMS Essential Lithium Battery bank and a Victron inverter system.

Programming Guide for Flooded Batteries
Programming Guide for Lifeline AGM Batteries
Programming Guide for Lithium Cold Charge Disconnect Systems

BMV-712 Connection to Lead Acid Battery Bank
BMV-712 Connection to AMS Essential Lithium Battery Bank
BMV-712 Low Temperature Inverter/Charger Disconnect Detail
Screenshot of Bluetooth programming for 320Ah Lithium Batteries

Screenshot of Bluetooth programming for 220Ah AGM Batteries
Instructional Video from Victron

Installation Conceptualization:  Electrical current always flows in a loop from the positive side of a battery bank through cables, through loads, through more cables and eventually back to the battery bank through the negative side.  Different loads create alternate routes in the loop but they all end up going back to the negative.  In order to determine total current flow (which is used to determine remaining battery capacity and a number of other things) ALL of the current has to pass through the shunt.  The easiest way to ensure that you capture all of the current, and not just some that went on an alternate route, is to install the shunt right before the negative side of the battery bank and make sure that all alternate route cables connect on one side of the shunt and the battery negative goes to the other side.

How a shunt works:  When current flows through a load the voltage is reduced.  This reduction is proportional to the amount of current passing through that load.  A shunt is like a very low power load.  There is a slight voltage drop between the terminals of the shunt.  This voltage drop is measured and translated by a microprocessor to determine current.

What you get:

1x    Victron BMV-712 Monitor/Programmable Relay
1x    Mounting Bezel
2x   Power Cables
1x    Communication Cable
1x    Shunt 50mV/500A
1x    Temperature Sensor
2x   4/0 Ring Lug 3/8"
2x   Black Heat Shrink 1.5" x 3/4"

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AM Solar Part Number:  60-VTBMV