BMV700-702 Catalogue

Next to the basic display options, such as voltage, current and ampere-hours consumed, the BMV-700 series also displays state of charge, time to go, and power consumption in Watts.

Product Details

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.

Next to the basic display options, such as voltage, current and ampere-hours consumed, the BMV-700 series also displays state of charge, time to go, and power consumption in Watts.

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


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: RJ 12 cable (10 m) and battery cable with fuse (2 m); 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

- VE.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: 9,5 – 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


BMV-702 additional features

Additional input to measure voltage (of a second battery), temperature or midpoint voltage, and corresponding alarm and relay settings.


BMV-700HS: 60 to 385 VDC voltage range

No additional parts needed. Note: suitable for systems with grounded minus only (battery monitor is not isolated from shunt).


Other battery monitoring options

- VE.Net Battery Controller

- High voltage VE.Net Battery Controller: 70 to 350 VDC

- Lynx Shunt VE.Net

- 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 (BMS012201000) to maximize service life of seriesconnected batteries.

Battery Monitor




Supply voltage range

6,5 - 95 VDC

6,5 - 95 VDC

60 – 385 VDC

Current draw, back light off

< 4mA

< 4mA

< 4mA

Input voltage range, auxiliary battery

n. a.

6,5 - 95 VDC

n. a

Battery capacity (Ah)

20 - 9999 Ah

Operating temperature range

-40 +50°C (-40 - 120°F)

Measures voltage of second battery, or temperature, or midpoint




Temperature measurement range

20 +50°C

n. a.

VE.Direct comm




ct comm Yes Yes Yes Relay

60V / 1A normally open (function can be inverted)

RESOLUTION & ACCURACY (with a 500 A shunt)


± 0,01


± 0,01

Amp hours

± 0,1 Ah

State of charge (0 – 100%)

± 0,1%

Time to go

± 1 min

Temperature (0 - 50°C or 30 - 120°F


± 1

n. a

Accuracy of current measurement

± 0,4

Accuracy of voltage measurement

± 0,3



Flush mount


63mm diameter

Front bezel

69 x 69mm (2.7 x 2.7 inch)

Body diameter


Body depth

31mm (1.2 inch)



EN 60335-1

Emission / Immunity

EN 55014-1 / EN 55014-2


ECE R10-4 / EN 50498


Shunt (included)

500A / 50mV

Cables (included)

10 meter 6 core UTP with RJ12 connectors, and cable with fuse for ‘+ ’ connection

Temperature sensor

Optional (ASS000100000)


1000A/50mV,2000A/50mV and 600A/50mV shunt

The quick connect PCB on the standard 500A/50mV shunt can also be mounted on these shunts

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