StacksVerified U.S. regulatory reference

47 CFR §80.963

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)A main power supply must be available at all times while the vessel is subject to the requirements of this subpart.
  2. (b)Means must be provided for charging any batteries used as a source of energy. A device which during charging of the batteries gives a continuous indication of charging current must be provided.