Victron SmartShunt – The Smart Battery Shunt SHU050150050
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- Additional information
The Victron Smart Battery Shunt is an all in one battery monitor, only without a display. Your phone acts as the display. The Victron SmartShunt connects via Bluetooth to the VictronConnect App on your phone (or tablet) and you can conveniently read out all monitored battery parameters, like state of charge, time to go, historical information and much more.
Alternatively the Victron SmartShunt can be connected and be read by a GX device. Connection to the SmartShunt is made via a VE.Direct cable.
The SmartShunt is a good alternative for a BMV battery monitor, especially for systems where battery monitoring is needed but less wiring and clutter is wanted.
The SmartShunt is equipped with Bluetooth, a VE.Direct port and a connection that can be used for: monitoring a second battery, midpoint monitoring or a temperature sensor.
How does the SmartShunt work?
The main function of the SmartShunt is to follow and indicate the state of charge of a battery, to be able to know how much charge the battery contains and to prevent an unexpected total discharge. The SmartShunt continuously measures the current flow in and out of the battery. Integration of this current over time, if it was a fixed current, boils down to multiplying current and time and gives the net amount of Ah added or removed. For example: a discharge current of 10A for 2 hours will take 10 x 2 = 20Ah from the battery.
To complicate matters, the effective capacity of a battery depends on the rate of discharge, the Peukert
efficiency, and, to a lesser extent, the temperature. And to make things even more complicated: when charging a
battery more energy (Ah) has to be ‘pumped’ into the battery than can be retrieved during the next discharge. In
other words: the charge efficiency is less than 100%. The SmartShunt takes all these factors in consideration when calculating the state of charge.
The status screen of the SmartShunt displays an overview of important parameters:
• State of charge.
• Battery voltage.
• Battery current.
• Aux input reading (starter battery, midpoint or temperature).