---
kind: "section"
citation: "47 C.F.R. § 80.963"
title: "47"
number: "80.963"
heading: "Main power supply."
url: "https://uscodex.org/cfr/47/80.963"
---

# §80.963. Main power supply.

- (a) A main power supply must be available at all times while the vessel is subject to the requirements of this subpart.
- (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.

## Notes

### Source

Source: 88 FR 77222, Nov. 9, 2023, unless otherwise noted.

### Authority

Authority: 47 U.S.C. 151-155, 301-609; 3 U.S.T. 3450, 3 U.S.T. 4726, 12 U.S.T. 2377.

### Source

Source: 51 FR 31213, Sept. 2, 1986, unless otherwise noted.