John E Davies Posted December 19, 2020 Share Posted December 19, 2020 (edited) I ran across this diagram from a Victron battery installation manual. I am having a hard time understanding why separate fuses would be desirable if the main line has a suitably rated one. I just hooked up the big 4/0 inverter cables as before, and jumpered the two battery positives and the negatives with short cables. I emailed the vendor that sold me the batteries for advice. Does anybody know if this would be a good idea and why? Does Oliver fuse each battery? I have not yet completed my cable configuration, I may do this, just in case, and mount the two fuses on the sidewall, inside the box with the batteries... and run a separate 00 gauge cable to each battery positive post, with enough length to allow the tray to come out part way. FYI, here is an excellent reference for the Victron batteries. I wish I had found this before I started this project. It is very complete, but it may be intended for more complicated electrical systems like in a yacht. Many of the marine system parts and interconnections are not needed in an RV. https://www.victronenergy.com/upload/documents/Manual-Lithium-Battery-Manual-EN-(P).pdf Thanks for any comments. John Davies Spokane WA Edited December 19, 2020 by John E Davies "Mouse": 2017 Legacy Elite II NARV (Not An RV) Two Beds, Hull Number 218, See my HOW TO threads: https://olivertraveltrailers.com/topic/john-e-davies-how-to-threads-and-tech-articles-links/ Tow Vehicle: 2013 Land Cruiser 200, 33" LT tires, airbags, Safari snorkel. Link to comment Share on other sites More sharing options...
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