Making sense of Victron apps...?

johnVT
johnVT Member Posts: 40
in Battery/Electrical & Solar
Hi Folks,
I'm new to Victron components and camping solar in general. I've got a Cirrus 620 truck camper with the Battle Born lithium upgrade. I've been looking at the SmartShunt and VE.Bus apps, and I'm confused by what I'm seeing in the VE.Bus app. Specifically I get a "low battery" alert from it. Meanwhile the SmartShunt app says my battery is at 94% capacity. (See photos attached. Can anyone please explain this to me? Thanks in advance! 

       

Comments

  • Marceline
    Marceline Member Posts: 1,756
    edited June 2025
    Your SmartShunt SOC reading is incorrect. 12.97v is low for a lithium battery.
    The default setting for the SmartShunt assumes that when a battery is first hooked up that battery is fully charged. If it wasn't fully charged, it messes up the SOC readings. The way to fix it is to get a full charge on your battery (from shore power or solar) and then, only after you're 100% sure the battery is fully charged, synchronize it to 100%. 
    There have also been cases where the Victron devices (Solar controller, SmartShunt) weren't properly configured at the factory. 
    What were you running in your camper when you took that screenshot? 5.92A is a very big power draw.
    Sorry, I don't have information about the VE.Bus
    Victron has a good website where you can find manuals and they have their own user community.
    San Francisco Bay Area
    2013 CS-S us@gi
    2015 Toyota Tacoma PreRunner Double Cab
  • dsfdogs
    dsfdogs Member Posts: 640
    Here is a cheat sheet I use for lithium:
    14.4V = 100%
    13.6V = 100%
    13.4V = 99%
    13.3V = 90%
    13.2V = 70%
    13.1V = 40%
    13.0V = 30%
    12.9V = 20%
    12.8V = 17%
    12.5V = 14%
    12.0V = 9%

    Your Multiplus is on but it appears you are not connected to shore power (no power incoming). Since your batteries are low, I'd turn it off (touch the "on" square and select off). It does need to be ON when you are plugged into shore power in order to charge your batteries. 



    Debbie in Oregon
    Sold 2023 Tab 400
    Sold 2018 T@B 320S

  • jkjenn
    jkjenn Member Posts: 6,421
    I just created a few short videos to help you understand the Victron app for newbies: 

    Breaking down the data in your Victron Solar Controller: https://youtube.com/shorts/xJiWby9HXpA
    Decoding the Smart Shunt Data: https://youtube.com/shorts/L1nINhV714U
    Is your solar controller showing )'s? https://youtube.com/shorts/yW1B0eyGx-c
    Modes in the Multiplus: https://youtube.com/shorts/uLrBArL090w

    2021 T@b 320 Boondock "Mattie Ross" | 2021 T@b Nights: 239 | Total nights in a T@b 455 | 2022 Jeep Grand Cherokee L Overland | T@b owner since 2014

  • johnVT
    johnVT Member Posts: 40
    Thanks everyone for your help with this. I’ll digest what you’ve suggested/posted and get back with any questions.
  • johnVT
    johnVT Member Posts: 40
    jkjenn said:
    I just created a few short videos to help you understand the Victron app for newbies: 

    Breaking down the data in your Victron Solar Controller: https://youtube.com/shorts/xJiWby9HXpA
    Decoding the Smart Shunt Data: https://youtube.com/shorts/L1nINhV714U
    Is your solar controller showing )'s? https://youtube.com/shorts/yW1B0eyGx-c
    Modes in the Multiplus: https://youtube.com/shorts/uLrBArL090w
    These are gold! Thank you!
  • Sharon_is_SAM
    Sharon_is_SAM Member Posts: 10,035
    Thanks @jkjenn!
    Sharon / 2017 T@B CSS / 2015 Toyota Sienna Minivan / Westlake, Ohio

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