How To Configure Victron BMV-700 with Bluetooth Dongle

  |   Battery Monitor, Uncategorized   |   31 Comments


The Victron BMV is an extremely versatile unit that allows its user to monitor virtually every aspect of their battery bank. In order to help take advantage of its enormous benefits, we created a walk through video on how to set the Victron BMV up with Battle Born Batteries.


If anything is unclear or if you have additional questions, please give us a call at (855) 292-2831. We are happy to help!

  • Paul G. | Oct 19, 2017 at 10:09 am

    Here’s a quick reference so you don’t need to keep replaying the video like I did. There are only 4 changes from default (01, 02, 05 and 06) marked with a *:

    01 Battery Capacity — 99AH *
    02 Charged Voltage — 14.4v *
    03 Tail Current — 4.0%
    04 Charged Detection — 03
    05 Puekert Exponent — 1.05 *
    06 Charge Efficiency Factor — 99% *
    07 Current Threshold — 0.10A
    08 Time to Go Averaging Period — 03
    09 Zero Current Calibration — ZERO
    10 Synchronize — SYNC
    11 Relay Mode – DFLT

  • Malcolm Ryan | Oct 21, 2017 at 8:26 am

    What are your recommended Alarm settings on the BMV-700 using LiFePO4 batteries?

  • Pete DeGraff | Nov 11, 2017 at 11:06 am

    Awesome! Thanks so much for making setup that much easier! So foolish question I’m sure, but with a two Battleborn 12volt system, set at 198ah per the video (99ah recommended on single battery) are there any other changes I should make? Thanks again.

    • Will Olney | Dec 13, 2017 at 8:24 am

      Hello Pete,
      If you have followed all of the steps in the video you should be good to go =)

  • Randy Eggers | Dec 14, 2017 at 6:34 am

    Do you have any graphs showing more details on voltage vs. amp/time draw on your 12 volt lithium battery under say a 2 or 5 amp draw over 12 hour period

    • Will Olney | Dec 14, 2017 at 8:21 am

      Hell Randy,
      Yes we do have these graphs send us an e-mail and we will get it sent over
      [email protected]

  • Johnathan Hall | Jun 2, 2018 at 8:48 am

    Ok so I have a system with the BMV-702, Victron 3000w/12v inverter and two Smart Solar charge controllers. I also have 5 of your batteries wired in parallel. I have noticed that my system is only charging to an SOC of .5% less than the day before. All of my equipment is set to the parameters listed here. Do you guys having any thoughts on what may be going on or what adjustments may need to be made?

    • Denis Phares | Jun 2, 2018 at 4:49 pm

      Try reducing your end charging current from 4% (as suggested in the video) to 1%. This will allow the batteries be topped off in the absorption stage a little bit more. This will also allow extra time for balancing. If the charge current is high, than 4% of the charge current may be too high for the final top off.

      Also, make sure that you don’t have any connections on the battery side of the Victron shunt, except for the negative terminal of the battery bank. That could create of a path for current to flow that is not being detected by the monitor and yield inaccurate SOC.

  • Sam | Jun 3, 2018 at 10:10 am

    Hi BB,

    I bought 3 100AH 12V last fall. Wired in parallel. . I configured it with a victron BMV 702 and a victron blue solar 100/30. Set up per your instruction videos. Very helpful btw. All is well no issues.

    A a week ago, I upgraded to a victron BMV 712 and a victron smart solar 100/30 and I’m curious how to ensure that I get the state of charge synced property. What advice can you offer me?


    • Sean Nichols | Jun 10, 2018 at 5:13 pm

      thanks for reaching out I am glad your system is working as planned. Best thing to do after programming it is to let it run for a couple of days, it should settle in properly. If that doesn’t work let us know we can help you via phone.

  • Bill McCrary | Oct 12, 2018 at 9:00 am

    I have a system with three, 24v 50ah batteries. Can you help me with the BVM-712 settings for this battery bank? I’m unclear if Battery Capacity refers to the individual batteries used or to the bank and if it is available capacity for use.

    • Dianne F | Oct 12, 2018 at 12:10 pm

      Hi Bill,
      The Capacity reading refers to the batteries as a whole. You will set your settings to 150AH because they are in a 24V system.

      Battery Capacity: 300Ah
      Charged Voltage: 28.8V
      Tail Current: 4.00A
      Charged Detection time: 3m
      Peukert: 1.05
      Charge Efficiency: 99%
      Current Threshold: .10A
      Time-to-go: 3m

      If you have any other questions Bill, please do not hesitate to give us a call or email us at [email protected]

  • Joseph Wapabeti | Nov 3, 2018 at 12:47 pm

    I have a system with 8, 12v 240ah batteries. Can you help me with the BVM-702 settings for this battery bank?. My system with the BMV-702 includes a Victron MultiPlus 48/5000/70-100 Inv/chrg.

    • Dianne F | Nov 7, 2018 at 8:54 am

      Joseph, what type of batteries do you have? Just so I can help you further.

  • Bob Sweeney | Nov 12, 2018 at 7:20 pm

    I have 3 Battleborn 100Ahr batteries connected in parallel in an RV for a 12v system. I use the BMV712 shunt on the negative battery posting. I also have 400W of solar via Victron 100-50 solar controller and Victron 2K inverter/charger. These components are all hooked into a Victron Venus hub reporting to the Victron VRM. There is no AC shore power connected to the RV, it is nighttime so no solar input. This is a new setup with individual components setup per instructions on this website. It has been running 2 days/nights and I am seeing the SOC more or less constant at 100% through the entire night. The battery voltage is 13.16v with a constant 2.80 amps current draw so I would normally suspect the SOC should be reading around 50%. I would expect to see the SOC slowly drop overnight and then start rising in the morning as the solar starts contributing. Any help is appreciated.

    • Dianne F | Nov 19, 2018 at 11:59 am

      Hello Bob,

      When you are seeing a 13.16 voltage that is right around 50% of your battery remaining. If you are starting the night after the solar charges during the day at anywhere between 13.6 and 14.4 then seeing 13.1 by morning time, that sounds about right. Is this the case?

  • Bill RICHCREEK | Mar 25, 2019 at 8:47 pm

    Battery Capacity — 99AH that’s if you are running only 1 battle Born 100 amp hour battery correct? So if I’m running 2 battle Born 100 amp hour batteries this should be set at 198?

    • Dianne F | Apr 10, 2019 at 5:01 pm

      Hi Bill,

      The amperage capacity should be set to what ever the total AH is of your entire battery bank. This will allow the correct calculations for the BMV and for 2 of our batteries you will want to set it for 200AH.
      The 99AH was an old measurement from previous batteries.


  • LeRoi Keiller | Aug 20, 2019 at 10:14 am

    1) When we tap “synchronize SOC to 100%” do we do that when the battery monitor says the voltage is 14.4?

    2) Would specifying the resting charged voltage of 13.6 be incorrect for SOC (since the video says to enter 14.4)?

    3) There is lots of chatter about charging only to 90% to improve the longevity of the battery. Is this true?


    • Dianne F | Sep 11, 2019 at 2:01 pm

      Hello LeRoi,

      We typically recommend letting the BMV synchronize to 100% automatically instead of doing it manually if at all possible. This will insure accurate reading s if the synchronization is done prematurely. If for some reason you are getting to the 14.4 volts and it is not syncing to 100% then you could try this manually.

      For # 2 you will want the charged voltage set at the higher 14.4 volts. if a charger gets to 13.6 it does not mean the battery is full and there is no “full resting voltage” setting for the bmv.

      #3 Our batteries were designed to use all of the power without having to worry about only charging or discharging to a certain level. We recommend bringing our batteries to a 100% state of charge regularly and this will yield you at least 3-5000 cycles, probably many many more.


  • Rod Coelho | Oct 3, 2019 at 3:39 pm

    How do you set up the BMV-700 to syn to 100% automatically? I could not figure out how to do this so I have been doing it manually.

    • Dianne F | Oct 3, 2019 at 5:11 pm

      Hi Rod,

      After configuring the settings and when these parameters are met, the BMV will automatically sync itself. We recommend running a complete charge cycle for the BMV to become accurate.

      Thank you,

  • Jeff Carnahan | Oct 26, 2019 at 10:10 am

    Are the settings the same on the BMV-712?

    • Dianne F | Nov 4, 2019 at 8:19 pm

      Hi Jeff,

      Yes, the settings are the same but we would like to clarify that on any of the BMV products you should set the total battery capacity to your specific bank total. For example the battery capacity for 3 of our 100ah batteries is 300 AH and should be reflected as such in the settings. The 99 AH that was listed here was for an old model of our batteries and no longer applies to current models. Also, you will not get an accurate reading for the BMV display until you go through one complete charge cycle as this will allow the BMV to sync and calibrate itself.

      Thank you,

  • Jim Rustad | Oct 29, 2019 at 10:40 am

    So if I have two 100 ah BBs connected in series at 24 V, I still use 100 ah in the settings, correct?

    • Dianne F | Nov 4, 2019 at 8:31 pm

      Hello Jim,

      Yes, your total capacity is 100 ah with these two batteries in series and this is what you will want to use in the “battery capacity” field for the settings.

      Thank you,

  • Tom Simpson | Dec 4, 2019 at 1:22 pm

    I have one of your 100ah batteries. A Victron smart solar 100/30 charge controller and a Victron smart BMV. Using the Victron app and looking at the history I can see min and max battery voltage. The max shows 17.99 volts. All settings applied are what you have suggested in previous posts. Any thoughts.


    • Dianne F | Dec 10, 2019 at 2:55 pm


      Sometimes this can happen when the positive wire that feeds the BMV is not connected directly to one of the positive battery terminals. Moving the cable directly to the batteries can help with this. Also, If you have manual switches on your inverter and or charge controllers to the batteries, you could get a momentary voltage spike when switching that can be read by the the BMV. In any case, your batteries are protected from any high voltage spikes and we have protections in our batteries to avoid any damage.

      Thank you,

  • Dave Bloom | Dec 27, 2019 at 1:46 pm


    I have six battle born 100 amp Lithium batteries in my motorhome, two Victron solar controllers and a BMV-712 battery monitor. The monitor SOC gets way off after just a day or two. It reads 100% when I can still put 60-70 amps in for over an hour. I checked the wiring and there is only one lead from the neg going to the shunt. The batt and shunt are connected properly. I have rechecked the parameters and they are as listed for these batteries.

    Batteries went to empty last week and SOC said 36 percent. Then SOC went blank till I charged the batt bank fully. Yesterday it was cloudy and didn’t fully charge. Now today I got lots of sun and SOC hit 100%. Prob is that I was able to charge at 70 amps for most of an hour and batts still weren’t full. i Have watched this sync and it seems to do it well. I have taken my dc clamp ammeter and checked the neg lead and it seems correct. I have calculated and watched the bmv and it seems to count coulombs up and down properly. I am an EE by the way so am pretty aware. This is driving me nuts.

    After a day or two after a sync my solar puts in about 100 amp hours after the bmv says 100%. It is off by almost 20% in just a day or two.

    Could one of my Battle Borns leak current? This seems about the only a answer.


    Cap 600

    CV 14.4

    Tail 4%

    Time 3 min

    Perk 1.05

    CEF 99%. I tried putting it at 90% and the problem is still there.

    C Th .1 A

    TTG 3 min

    Sync off

    Sync – I have tried both manual and auto and it makes no difference.

    Zero calc. – I never used. Perhaps this is wrong?

    • Jesse Asay | Jan 1, 2020 at 9:33 pm

      Hi Dave,

      Sorry that you are having issues with your system, sometimes it takes a bit of tweaking to get all of your components working properly. There are a couple of things that can cause this issue that we can go over. Please give us a call when you are next to your system(hopefully you have some photos or a diagram of your system available) and we can help diagnose your problem.

      Thank you,
      Jesse Asay

  • Mike Lau | Jan 15, 2020 at 7:56 pm

    The BMV-700 tracks capacity very well from 100%, but only after battery(s) have been fully charged. The problem I’ve noticed when using the Victron BMV with LiFePO4 batteries is that following 0% capacity battery BMS shutdown, the BMV-700 also shuts down and loses 100% calibration memory. The BMV does not track capacity well after restart from 0% when battery voltage (and BMV power) is restored during charging. When recharging from solar power, batteries may not be recharged to 100% every day. If you do happen to drop to 0% overnight, the BMV will no longer indicate proper battery capacity until battery bank can be recharged to 100% to re-synchronize BMV 100% value.

    A work around is to provide dedicated power to the BMV-700 via separate auxiliary battery. The 6-pin RJ12 connector does includes separate pins for BMV +Power and BAT+ monitor, however the provided Victron circuit board on the shunt resistor connects these 2 pins together to both monitor battery voltage and use that voltage to power the BMV. The result is that BMV-700 shuts down when the LiFePO4 battery turns off. Using a separate RJ12 breakout board, a small 7Ah AGM battery will easily keep the BMV-700 running for 2-3 months without a recharge. This solution has worked very well for me.

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