Sailing Doodlesvideo

Lithium Battery Failure on Our NEW Boat

August 19, 2026 · 13 min · 163K views · Koh Samui

What this video covers

The crew of Doodles spent 10 days in Koh Samui, Thailand, awaiting repairs for a persistent electrical failure on their new vessel.0:30 Technicians initially replaced the generator motor control unit, but the error persisted.0:40 Further diagnostics revealed a failure within the lithium battery system, which consists of two parallel banks of three batteries in series.8:50 To restore partial functionality, technicians disconnected one faulty battery bank, requiring a software reconfiguration of the charging cycles and voltage parameters.9:15 While the boat is now operational, the owner plans to discuss long-term solutions with the manufacturer, Island Spirit, including the potential removal of the electric drive system in favor of traditional Yanmar diesel engines and a generator to ensure offshore reliability.10:30 During the delay, the crew explored the island by motorbike and visited a local waterfall.2:22

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Boats in this video

Island SPIRIT 525Their boat

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