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A third solar panel replacement in three years on the same boat prompts a full walkthrough of the swap, from diagnosing the failed unit to selecting and mounting a new one.▶ 0:00 The previous panel, a Sunbeam "Tøff" model rated at 39 volts, stopped producing usable charge — delivering only 16 volts against a required threshold of 21 volts — and showed surface damage discovered during a March wash-down.▶ 0:15 The replacement is a 55-watt panel from Scanbat, chosen to fit the hatch garage (lukegarasjen) without overhanging it and specified with a single cable and a deck-penetration option for a cleaner installation.▶ 3:08 The existing Victron MPPT charge controller is reused; it steps the panel's 20-plus volts down to 13–14 volts, converting roughly 2 amps at 20 volts into 3 amps at 13 volts into the battery.▶ 2:10 Mounting uses four screws, the same as the old panel.▶ 2:40 Post-installation output reached 28 watts in direct sun and hit a seasonal peak of 300 watt-hours on July 1 running downwind.▶ 3:32 The boat's daily consumption is 20 amp-hours; the panel covers that with minimal motoring, eliminating shore power during regular weekly use.▶ 4:46 Panels degrade faster than their rated lifespan when mounted in fixed, partially shaded positions under a boom.

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