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diy solar

diy solar

Victron smart shunt settings

JJJJ

Aspiring apprentice
Joined
Feb 25, 2021
Messages
1,555
Ok. Just starting to play with the smart shunt the one which uses Bluetooth and a phone.

I have two batteries. I am trying to wire the batt - to one and the aux to the second one.

The blue light is solid which indicates a good connection via the documentation.

I updated the settings.

When I look at the inputs it only seems to show the aux. Then again maybe I am reading this wrong?

Also am I correct that the only way to change the settings is to restore defaults?

926045A1-0728-4EB9-8182-AE5B53145C8A.png


Again does the all aux only show state of charge and the details for the main battery?

1E4474F5-CF9D-41B8-AAA2-2ED4C4D87BC4.png
 
When you say two batteries…

Are you talking a house battery and an engine starting battery-

or are you talking two house batteries.
What is the job each batteries does?

Are those two batteries connected together on the positive and negative wires or are they two 12v batteries making a 24v battery and you are trying to see the mid-point feature?
 
I have two 24v batteries in parallel. At first I thought it might be nice to track both separately, but unless I am mistaken the information on a "starter" battery appears limited.

I have considered attaching at the common bus bar and treating both batteries as a single large one for tracking.
 
Ok… yes the starter battery is very limited - I think only the voltage.

Yes you will want to treat the two batteries as a “pack” and monitor the entire battery pack with the Smartshunt. That is the way it was designed to be used.
 
Ok… yes the starter battery is very limited - I think only the voltage.

Yes you will want to treat the two batteries as a “pack” and monitor the entire battery pack with the Smartshunt. That is the way it was designed to be used.
yes they are very vague with the instructions on the grey aux wire - it makes you think you can monitor 2 batteries but in reality it appears it's only for series or series/parrallel 24v or 48v - not if you have a common two 12v lifepo4 parrallel setup - they should update their instructions..
 
I have two 24v batteries in parallel. At first I thought it might be nice to track both separately, but unless I am mistaken the information on a "starter" battery appears limited.

I have considered attaching at the common bus bar and treating both batteries as a single large one for tracking.
If you want to track both batteries separately, you just have to snag another shunt.

At $70 for the 300a, deal of the century!!
 
When my 500a smart shunt was $130, and I never intend to have a system current higher than 250a, yeah the 300a is perfect.
 

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