Victron BMV-702 (Precision Battery Monitoring)

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Product Features

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.
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.

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: 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

Product Specifications

BATTERY MONITOR

BATTERY MONITOR

Supply voltage range:

6.5 – 95 VDC

Current draw, back light off:

< 4mA

Input voltage range, auxiliary battery:

6.5 – 95 VDC

Battery capacity (Ah):

1 – 9999 Ah

Operating temperature range:

-40 + 50°C (-40 – 120°F)

Measures voltage of second battery, or temperature, or midpoint:

Yes

Temperature measurement range:

-20 + 50°C

VE.Direct communication port:

Yes

Relay:

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

Product Data Sheet

No documentation is available for this product.

Office: (044) 692 0229

9 Via Appie Street, Voorbaai, Mossel Bay

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