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Old 03-19-2021, 05:41 PM   #1
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Victron Smartshunt

I did the factory lithium upgrade to my 2019 with solar. System works as advertised but I realized there was really no way to monitor state of charge.

So I had a Victron Smartshunt installed which is a battery monitor without a display. It connects via Bluetooth to an app on your phone and gives you all the data.

Wicked cool install as we did not have to add a display somewhere.
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Old 03-19-2021, 06:27 PM   #2
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Yes they are awesome! Highly accurate too!

Make sure you calibrate it by fully charging your batteries, then in the settings in the app you can set as 100% state of charge. you will also want to ensure other settings on the BMV are correct per lithium specs (Charged Voltage, Peukert Exponent, Tail Current, etc..).

Here is a hand page with links to BMV settings for different lithium batteries...

https://amsolar.com/victron/monitor-vtbmv-s

Always good to double check that your settings are correct to ensure maximum accuracy.
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Old 03-19-2021, 07:56 PM   #3
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Originally Posted by wulfraat View Post
Yes they are awesome! Highly accurate too!

Make sure you calibrate it by fully charging your batteries, then in the settings in the app you can set as 100% state of charge. you will also want to ensure other settings on the BMV are correct per lithium specs (Charged Voltage, Peukert Exponent, Tail Current, etc..).

Here is a hand page with links to BMV settings for different lithium batteries...

https://amsolar.com/victron/monitor-vtbmv-s

Always good to double check that your settings are correct to ensure maximum accuracy.


Thanks, did all that as part of setup process, easier when you’re plugged in and have solar so I knew we were at 100% when we started the install.
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Old 05-31-2021, 06:51 PM   #4
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Update on Smartshunt?

Quote:
Originally Posted by JonDNC View Post
I did the factory lithium upgrade to my 2019 with solar. System works as advertised but I realized there was really no way to monitor state of charge.

So I had a Victron Smartshunt installed which is a battery monitor without a display. It connects via Bluetooth to an app on your phone and gives you all the data.

Wicked cool install as we did not have to add a display somewhere.
Are you happy with this install? Any concerns? Considering the same monitor and was interested in your thoughts.
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Old 06-05-2021, 02:16 PM   #5
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I'd like to know also how you are liking the Smart Shunt. I was all set to order one when I read a lot of negative reviews, of course some are probably user error.
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Old 06-05-2021, 02:46 PM   #6
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I'd like to know also how you are liking the Smart Shunt. I was all set to order one when I read a lot of negative reviews, of course some are probably user error.


Works fine no issues.
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Old 06-19-2021, 01:30 AM   #7
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I installed the SmartShunt in the battery box and I am very happy with it. Yes, it's true that the BT range is limited in the metal enclosure, but it's good enough for typical needs. Seems to work fine from the bed area in our 25FB, this is where I tend to need it the most to check on SOC during cold nights.
I have not yet installed the Lithium batteries though, it's running with my AGMs and I am not getting an accurate SOC. Does anyone has experience using a shunt with AGMs? It was showing 99% SOC when the voltage was just 12.2V, which if I go by my old chart means 60% SOC. Has anyone else experienced it. It appears that I am losing charge due to self-discharge of batteries.
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