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What this video covers

Jan Attenstedt and Nigel Calder evaluate a boat charging system that uses an alternator connected to a three-output battery isolator.0:25 This configuration feeds a DC-DC charger for a lithium-ion-phosphate house bank and direct lines to AGM engine, generator, and bow thruster batteries.0:35 The system lacks a Balmar APM, but the presence of connected AGM batteries prevents an open circuit and subsequent voltage spike if the lithium-ion battery management system disconnects.0:55 However, the setup suffers from voltage losses across the isolation diodes and requires heavy-gauge wiring to the bow thruster to handle the alternator's full output.1:49 Replacing the isolator with dedicated DC-DC converters for each bank would allow for current limiting, enable the use of smaller conductors, and provide more precise charging algorithms.3:08 The current configuration is considered outdated and overly complex compared to modern alternatives.2:36

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