The battery monitor takes this phenomenon into account with the charge efficiency factor. The charge efficiency of a battery depends on battery type, age and usage. A setting of 100% means that there are no losses.Ī charge efficiency of 95% means that 10Ah must be transferred to the battery to get 9.5Ah actually stored in the battery. The “Charge Efficiency Factor” compensates for the capacity (Ah) losses during charging. Incorrect auxillary battery voltage reading State of charge does not increase fast enough or too fast when charging There is a current reading while no current flows Charge and discharge current are inverted What to do in case of an alarm during discharging What to do in case of an alarm during charging Connecting and monitoring midpoint in a 48V battery bank Connecting and monitoring midpoint in a 24V battery bank Battery bank and midpoint wiring diagrams Saving, loading and sharing settings in VictronConnect Accessing settings via the VictronConnect app Connecting to a GX device and the VRM portal Accessing historical data via the head unit Accessing historical data via the VictronConnect app Auxiliary connection for temperature monitoring Auxiliary connection midpoint battery bank monitoring Auxiliary connection for monitoring the voltage of a second battery Additional input to measure voltage (of a second battery), temperature or midpoint voltage, and corresponding alarm and relay settings. High current measurement resolution: 10 mA (0.01A) Stores a wide range of historical events, which can be used to evaluate usage patterns and battery health Shunt selection capability up to 10.000 Amps 500 Amp quick connect shunt and connection kit Programmable relay, to turn off non critical loads or to run a generator when needed Remaining time at the current rate of discharge Battery voltage, current, power, ampere-hours consumed and state of charge Prevents increased current draw in case of an alarm A residual current of 10mA for example may damage a 200Ah battery if the system is left in discharged state for more than 8 days. The battery will be damaged if the remaining capacity reserve is drawn from the battery. After shutdown due to low cell voltage, the capacity reserve of a Li-ion battery is approximately 1Ah per 100Ah battery capacity. Li-ion batteries have virtually no capacity left when discharged until low voltage shutdown. Please see the BMV manual, section 5.2, for more information.Ĭurrent consumption: 0.7Ah per month (1mA) and 0.6Ah per month (0.8mA) 24V When batteries are connected in series, a timely warning can be generated by measuring the midpoint voltage. One bad cell or one bad battery can destroy a large, expensive battery bank. Also included are a separate front bezel for a square or round display appearance, a securing ring for rear mounting and screws for front mounting. Included: RJ12 cable (10m) and power cable with fuse (2m) no other components needed. The shunt connects to the monitor with a standard RJ12 UTP cable. update the software when new features become availableĪll electrical connections are to the quick-connect PCB on the current shunt. monitor all important data on single screen Use a smartphone or other Bluetooth-enabled device to With Bluetooth being implemented in most other Victron Energy products, wireless communication between products will simplify system installation and enhance performance. With Bluetooth built-in, the BMV Smart is ready for the Internet of Things (IoT) era. When an independent, stand-alone system is desired, the Victron BMV-7xx series is an excellent choice. The monitors pay for themselves many times over, and we can't imagine being without them on any battery-based system. Like any good battery monitor, it allows you to better maintain your batteries and track your energy usage and charging systems. Built similarly to and with all the functions of its predecessor, the BMV-702, Victron has introduced built-in bluetooth connectivity to its BMV-712 Smart Battery Monitor, thus giving you the ability to access important information from your battery monitor via a smart phone or tablet.
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