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  • Round grey battery monitor displaying "240.0 h," a battery icon, and buttons labeled "Setup," "+," "-", and "Select." This Victron BMV-702 Battery Monitor - Grey provides precise readings and ease of use for managing your power system.

Victron BMV-702 Battery Monitor – Grey

£220.80 £140.80 Save 36%

The BMV-702 is a high precision battery monitor from Victron Energy. Its simple screen works perfectly in an electrical system control panel. Monitor your battery’s state of charge, temperature and voltage, and see any incoming and outgoing loads.

  • Monitors the state of charge of your leisure batteries
  • Includes digital display of voltage and % of charge
  • Grey model

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SKU: BAM010702000R Categories: ,

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    The BMV-702 is a high precision battery monitor. The essential function of a battery monitor is to calculate ampere hours consumed and the state of charge of a battery. Ampere hours consumed are calculated by integrating the current flowing in or out of the battery.



    Battery ‘fuel gauge’, time-to-go indicator, and much more

    The remaining battery capacity depends on the ampere-hours consumed, discharge current, temperature and the age of the battery. Complex software algorithms are needed to take all these variables into account.

    The BMV-702 features an additional input which can be programmed to measure the voltage (of a second battery), battery temperature or midpoint voltage

    Bluetooth Smart

    Use the Bluetooth Smart dongle to monitor your batteries on Apple or Android smartphones, tablets, macbooks and other devices.

    Easy to install

    All electrical connections are to the quick connect PCB on the current shunt. The shunt connects to the monitor with a standard RJ12 telephone cable. Included: RJ12 cable (10m) and battery cable with fuse (2m); no other components needed.

    Also included are a separate front bezel for a square or round display appearance, a securing ring for the rear mounting and screws for the front mounting.

    Easy to program (with your smartphone!)

    A quick install menu and a detailed setup menu with scrolling texts assist the user when going through the various settings.

    Alternatively, choose the fast and easy solution: download the smartphone app (Bluetooth Smart dongle needed)

    Midpoint voltage monitoring (BMV-702 only)

    This feature, which is often used in industry to monitor large and expensive battery banks, is now for the first time made available at a low cost, to monitor any battery bank.

    A battery bank consists of a string of series connected cells. The midpoint voltage is the voltage halfway along the string. Ideally, the midpoint voltage would be exactly half of the total voltage. In practice, however, deviations will be seen, that depend on many factors such as a different state of charge for new batteries or cells, different temperatures, internal leakage currents, capacities and much more.

    Large or increasing deviation of the midpoint voltage, points to improper battery care or a failed battery or cell. Corrective action following a midpoint voltage alarm can prevent severe damage to an expensive battery. Please consult the BMV manual for more information.

    Standard features

    • Battery voltage, current, power, ampere-hours consumed and state of charge
    • Remaining time at the current rate of discharge
    • Programmable visual and audible alarm
    • Programmable relay, to turn off non critical loads or to run a generator when needed
    • 500 Amp quick connect shunt and connection kit
    • Shunt selection capability up to 10,000 Amps
    • Direct communication port
    • Stores a wide range of historical events, which can be used to evaluate usage patterns and battery health
    • Wide input voltage range: 6.5 – 95V
    • High current measurement resolution: 10 mA (0.01A)
    • Low current consumption: 2.9Ah per month (4mA) @12V and 2.2Ah per month (3mA) @ 24V

    Other battery monitoring options

    • Lynx Shunt VE.Can

    More about midpoint voltage

    One bad cell or one bad battery can destroy a large, expensive battery bank. When batteries are connected in series, a timely warning can be generated by measuring the midpoint voltage. Please see the BMV manual, section 5.2, for more information. We recommend our Battery Balancer (BMS012201000) to maximise service life of series-connected batteries
    Product SKU: BAM010702000R


    Victron Energy

    Manufacturer Part Number


    Protection Category


    Bluetooth Compatible


    Front Diameter


    Front Bezel


    Body Diameter and Depth

    52mm and 31mm


    5 Years

    Country of Manufacture


    Product or kit


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