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  1. svHope

    Cerbo VE Can Bus Question

    Hello I am building a 4 separate DIY LFP battery system. I will be using 4 "Non Victron" BMS modules for each battery. I have a Cerbo unit for numerous monitor and control functions. I have the BMS (REC BMS) units configured as a VE-CAN bus for input to the Cerbo. The Cerbo device only has 2...
  2. svHope

    Sailboat Size vs LFP Capacity

    Hello, I wanted to take an informal survey for those who have LFP systems on their boat. What is the size of your boat and what is your daily energy consumption (either aH per 24 hours, please indicate your battery voltage or kWH per day)? Also a couple other comments if you know: consumption...
  3. svHope

    Any REC BMS or CAN Bus Guru's Here?

    Hello, I have recently added a Victron Cerbo device to my test bench LiFePo4 battery set up. I have a 4S REC BMS with a CAN Bus connector. Is there anyone who can help me get meaningful info from the BMS to the Cerbo (such as SOC or Cell voltages) so I can use the info? One of my issues that I...
  4. svHope

    Who is happy with their BMS?

    Hello, I am experimenting with a small 4S DIY battery system. I currently have a REC BMS that has a number of features that I like, the one I’m not too pleased with is how the REC SOC compares with my Victron BMV 712 SOC. Some of this may be because I am experimenting with a small 20 aH battery...
  5. svHope

    REC SOC Question

    Hello I am still learning about the 4S REC BMS. My question this time is related to the SOC. I question the accuracy of the process used to determine the SOC. For instance, I charge my small 20 AH 4S pack to about 3.65volts per cell (I must say I am very impressed as to how well the BMS...
  6. svHope

    New REC user with questions

    Hello, I hope some one can help. I’m still trying to get answers via offgrid software solutions forum ( not many users). I have a REC 4S BMS. I am using the REC software and the Vbat meter has a full scale max reading of 34v. For a 4S BMS, I would expect the full scale reading to be about 18...
  7. svHope

    Battery Protection Question

    I am experimenting with a small 20 aH LFP 12 volt system. My BMS is a Daly 60 amp “non-smart” unit with preprogrammed protection settings for LVC and HVC. I have been using a Victron BMV 712 smart battery monitor to set the battery protection using the built in relay and the SOC parameters of...
  8. svHope

    Alibaba Shipping to Non-U.S. Location

    Has anyone had LiFePo4 cells shipped to other international locations? We have a sailboat in Panama and it looks like shipping the cells from the U.S. has multiple problems. Has anyone here shipped cells to Panama or other locations? Please Sumerian the experience. Thank you
  9. svHope

    System Question

    As I research about making the conversion from FLA batteries to LFP for our 49 ft monohull, I see many schematics of a separate charge bus and a load bus. I think it could be quite a job to rewire the boat to set it up as such. I’m not sure as we are locked down in the states and our boat is in...
  10. svHope

    Looking for Help

    Hi, I tried this on the Marine section with little response, so I will try it here again. Thanks for any help. Hello, for a few reasons we are in the states and our boat is in Panama. I fear our lead acid Trojan CG batteries will be toast when we return in perhaps June 2021. I want to upgrade...
  11. svHope

    Looking for suggestions

    Hello, for a few reasons we are in the states and our boat is in Panama. I fear our lead acid Trojan CG batteries will be toast when we return in perhaps June 2021. I want to upgrade the boat to LiFePo4 when we return. I have a few questions concerning the conversion. The boat is a 49 ft...
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