![]() ![]() For example, the figures show how many amps used or how fast the battery is charging.įurthermore, I also like that this Victron battery monitor shows the amp hours, which are very crucial when we are off-grid since the vehicle is not connected to any utility. Additionally, the technology works on my kid’s tablet, and my wife sometimes uses it on her MacBook.īesides, the free Vitron Connect application is convenient as it lets me see what is specifically going on with my battery system. One of the features I like is the built-in Bluetooth which allows me to monitor my battery status anytime and directly from my iPhone. Its wireless range is annoyingly mediocre, and I must stand next to the monitor, reading the parameters on my smartphone. I am unsure what Bluetooth version is present in this device. I will give this Bluetooth RV battery monitor five stars if it ditches its Bluetooth technology for a wireless internet one. People can also use the AUX port to monitor a secondary or midpoint battery and battery temperature. RV owners can configure this device as a basic electrical connection or a GX device system for remote VRM monitoring. It is a straightforward process, enabling RV owners to start monitoring their systems within minutes of unboxing. RV owners can download and install the VictronConnect app and manage their batteries. ![]() There is no need because all the battery information is in a Bluetooth-connected device (i.e., a smartphone). People will notice this battery monitor does not have a digital display. Its validity is on-point up to 0.4% amperes and 0.3% volts. It can monitor electrical parameters up to 0.1 amperes, 0.01 volts, 0.1 ampere-hours, and -4 to 122 degrees Fahrenheit. My favorite is its accuracy and high resolution. I can check my battery’s state of charge, current draw, charging progress, remaining time, and other critical information. We can assume that battery as discharged.įor demonstration of this project I have added an extra potentiometer to change testing battery’s voltage. And it's circuit diagram is shown below.I like this battery monitor more than my old 12V battery monitor with shunt because it tracks more power parameters. And if Voltage of battery is less than 5 volt no LED will Glow and it means battery’s voltage is below 5 volt. If Voltage of battery is greater than 5.0 Volt and less than 6.0 Volt then first three LEDs will go OFF and last LED will Glow. If Voltage of battery is greater than 6.0 Volt and less than 7.0 Volt then First Two LEDs will go OFF and last two LEDs will Glow. It means battery standing in moderate stage. If battery’s voltage greater than 7.0 Volt and less than 8.0 Volt then Last three LED’s will Glow and first LED will be OFF. Suppose if testing battery’s voltage is greater than 8.0 Volt then all four LEDs will Glow. When we connect any battery to the battery terminal, LEDs will Glow depending upon battery’s voltage. Working of this battery monitor project is very easy. For First Comparator we have set reference voltage of 8.0 Volt, for second comparator 7.0 Volt, for third one 6.0 Volt and for last 5.0 Volt. Here we have set reference voltages for each comparator by using potentiometer. And a 9 volt battery or adaptor has used for powering the circuit. Four green LEDs connected at output pins of comparators through 220 ohm resistor for indicating battery power status. Non-inverting pins of all comparator are connected with each other. ![]() Comparator configured in non-inverting mode and 10 K potentiometer is connected at its inverting terminal and testing battery’s positive terminal wire is connected to non-inverting pins of comparator. ![]() In this battery monitor circuit we have used two LM358 Dual Comparator ICs for comparing voltages. This is a general purpose op amp which can be configured in many modes like comparator, summer, integrator, amplifier, differentiator, inverting mode, non- inverting mode, etc. LM358 is a Dual Low Noise Operational Amplifier which have two Op Amp in a single chip. Here some LEDs are used for showing battery status. In this circuit we can easily test batteries by connecting it with the circuit. But here we have developed this battery monitor circuit to test the battery charging status. To test battery there is one common method which is using voltmeter that is available in the Multimeters. Sometimes we face a common problem when making any project related to battery or power supply - we don’t know about battery is charged or discharged. ![]()
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