VOILIER ODINvideo
BMV 712 MONITOR AND BATTERY WIRING
April 21, 2024 · 34 min · 9K views
What this video covers
A boat owner simplifies a vessel's electrical system by consolidating all power needs—engine starting, windlass, and house loads—into a single bank of four AGM batteries.12:51 To manage this setup, the owner installs a Victron BMV-712 battery monitor and a smart shunt, which centralizes all negative connections.10:56 The installation uses 70 mm² cable for the windlass, 35 mm² for battery bank supply, and 16 mm² for the electrical panel.0:26 To ensure reliable connections, the owner uses copper-based contact grease to prevent oxidation and employs a custom-built jig to hold cables steady during soldering.3:51 A custom-fabricated brass bus bar, repurposed from the original electrical panel, facilitates the distribution of high-amperage loads.19:13 The owner rejects complex multi-bank charging systems, such as DC-DC chargers or battery combiners, in favor of a direct, unified bank charged by solar panels and shore power.13:05 The project also includes mounting a new shelf to conceal wiring and reinstalling a VHF radio.11:07
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