Should I Remove Batteries before Winter Shrink Wrapping?

Yes, you should disconnect and remove all batteries from your boat before the shrink-wrapping process is completed. Removing batteries is a critical step in professional winterization for several reasons:

  • Prevent Freezing and Damage: Batteries left onboard in cold climates like Ontario can freeze and crack, leading to permanent damage and potential leaks.
  • Safety and Maintenance: Storing batteries in a cool, dry location prevents discharge and protects the electrical system. It is also recommended to store them on trickle chargers to ensure they are ready for use in the spring.
  • Comprehensive Protection: Because shrink wrap acts as the final protective layer for the season, all internal maintenance tasks—including battery care, engine fogging, and plumbing winterization—must be finished before the wrap is applied.

Following a structured removal checklist helps reduce the risk of cold-cranking failure and electrical shorts, ensuring your vessel is ready for a smooth launch once the wrap is removed.

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lukas@boattoronto.ca

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