Master Electrician Attempts a Battery Upgrade ⚡️
31 December 2025 · 19 min · 8K views
Man cuts metal rod on dock beside boat Joss at sunset
What this video covers
Oliver upgrades the electrical system on his boat by separating the battery bank into two independent systems: a primary lithium bank and a secondary gel cell bank.▶ 2:00 He relocates the existing Victron inverter to a new mounting position to clear space for a custom battery platform.▶ 3:01 After discovering a swollen, leaking battery in the bilge, he removes the old units, cleans the area with soapy water to neutralize acid, and installs the new gel cell batteries.▶ 10:54 He fabricates a custom hold-down rod using a hacksaw and drills new mounting holes into the floor to secure the battery cage.▶ 12:59 Despite encountering wiring length issues and shorting a connection during the installation, he successfully powers the system.▶ 7:51 The project aims to provide a reliable backup power source, as the Victron lithium batteries cease charging in cold temperatures.▶ 2:40
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