This data allows you to make better decisions about how to optimize battery usage and charging.Ī good example is deciding when to switch the refrigerator in the RV from battery power to propane. Your battery monitor also gives you real-time and historical information about voltage, power consumption, temperature, and more. The lithium battery monitor does more than just show the charging status of the system. The battery monitor uses these measurements to calculate the state of charge, power consumption, estimated remaining operating time, and other useful information about the battery system. The shunt measures the real-time voltage and current consumption of the battery system. These lithium battery monitors require a diverter to be installed on the negative side of the battery terminal. If you change the battery type, the voltmeter may even be completely inaccurate.Ī shunt monitor is more accurate because it measures the actual energy flowing into and out of the battery. Voltage-based monitors are not very accurate because the battery’s real-time voltage fluctuates in response to temperature changes and other environmental conditions. This type of monitor simply measures the real-time voltage of a battery and uses it to estimate its charging status. The simplest type is a voltage-based monitor, which is usually standard in most mobile power applications. There are two types of lithium battery monitors, shunt based and voltage based.
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