My meter/shunt came with a fused line. I am a proponent of fuses and would add a fuse personally. 100ma fuse would probably be fine although check with the manufacturer.
I have a box full of automotive odds and ends gathering dust for years so I probably have a few in that stash.I'm sure you could buy just a holder and a fuse but kits like this are so inexpensive and you have all the parts for future projects.
https://www.amazon.com/5x20mm-Holde...WM9VJ5W5Z93&psc=1&refRID=2AT207NFPWM9VJ5W5Z93
The word shunt has various meanings but in this context a shunt is a device that passes electrical current with a very small amount of resistance. By measuring this very small voltage drop across the shunt a meter can determine the current passing back and forth across it. A shunt allows us to know how many amps are left in a battery bank. It is essentially a gas gauge for the battery.Is there a difference between a shunt and a bus bar?
ie, calibrated.but in this context a shunt is a device that passes electrical current with a very small amount of resistance.
Does the small wire to power the meter on a shunt have to be fused?
<sigh> Late to the party again!Yeah better safe than sorry as the lesson goes. Easily done
A shunt is only needed if you desire to know with a high degree of certainty where your batteries remaining capacity is at.Is a shunt needed if the charge controller has a display that will be visible in my system?
Makes total sense...Thank you!A shunt is only needed if you desire to know with a high degree of certainty where your batteries remaining capacity is at.
Most charge controller give you state of charge based on the voltage it is reading. This is a very inaccurate way to measure state of charge unless the battery is completely disconnected from all loads and charging sources and allowed to rest a while. Momentary voltage of a battery is highly affected by loads and charging. Your solar charger may indicate 90% full when in reality it is practically empty. Why? Because your solar it hitting it with 13+ volts and your solar charger has no way of knowing. Likewise your battery could be full and you are running some devices that are sagging your voltage down to 12v. Now the Solar charger thinks you are at 50% or less.
The shunt is not affected by battery voltage. It measures state of charge as I described in my last post ^