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Boat Battery Bank - How To Manage Your Marine Batteries
July 28, 2020 · 20 min · 20K views · Grenada
What this video covers
Marine battery maintenance requires a proactive routine of monitoring voltage, verifying instrument accuracy, and inspecting physical connections. Owners should establish a baseline by observing house bank voltage at specific times of day, such as morning and evening, to identify deviations that signal potential failure.1:59 To verify the accuracy of a nav station voltmeter, measure the voltage directly at the battery terminals using a multimeter and compare the readings.4:18 If a significant discrepancy exists between the battery and the monitor, check for corrosion on terminals and cables.6:09 Battery monitors also require periodic reprogramming to reflect the actual capacity of the bank, which degrades over time.7:01 Use an amp clamp meter to confirm that charging sources like solar panels or wind generators are delivering the expected current to the bank.11:30 Physical maintenance includes cleaning terminals with sandpaper or files to remove corrosion, applying dielectric grease to mating surfaces, and ensuring all cable lugs are tightened securely.16:56 Avoid using wing nuts on cables larger than 6 AWG, opting instead for bolts with lock washers.17:37
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