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  1. CaptainUnderpants

    Multiplus or B2B charger settings - Who wins?

    I just installed a new DIY 12v 600 amp hr battery and upgraded my B2B charging to the new Sterling BB12120. I have set the Victron Multiplus 12/3000 at an Absorption and Float voltage of 14.4 / 13.6. The Sterling has two lithium charging curves of 14.4/13.8 or 14.2/13.6. My power out from the...
  2. CaptainUnderpants

    To Fuse or Not to Fuse - New 12v 600 amp hr RV battery

    Currently there is a 12V 300 amp hr Relion RB300 battery in my Ford Transit Campervan. The battery positive goes to my Victron Lynx and is currently protected by a 400 amp Class T fuse. My largest draw is my Victron Multiplus 12v 3000. I plan on replacing the Relion with a 12v 600 amp hr DIY...
  3. CaptainUnderpants

    12v 600amp hr RV Battery Build Complete!

    This would be my first battery build. Things look pretty straight forward, but I thought I would run it by the experts. I was inspired by this build. From this Thread But would change up the form factor to be 2 rows of 4 cells rather than one row, so it will fit. Looking something like...
  4. CaptainUnderpants

    DIY 12v RV Battery - Best Config - 2 - 4 cell or 1 - 8 cell battery?

    Assuming I use 8 x 3.2 volt 280 amp hr cells for a total power of 560 12v amp hrs, what is the best configuration. Two 4 cell batteries with individual BMS's or one 8 cell battery with one BMS (every other cell in Parallel)? Is there a preferred method, or is it just all pros and cons? I would...
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