LiftMaster Board Replacement — When the Battery Keeps Going Flat
0:19Filmed on the job by Shield Gate Repair
What this video shows
A solar-powered LiftMaster whose battery kept dying, including a brand-new replacement. The battery load-tested fine and the panel was producing correctly — the charging circuit on the control board had failed, so every cycle drew the battery down with nothing putting charge back. Board replaced, charge current verified at the battery before closing up, and backed with a 3-year warranty.
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