{"data":{"id":"us/46-cfr-129.353","jurisdiction":"us","citation":"46 CFR 129.353","heading":"Battery categories.","body":"This section applies to batteries installed to meet the requirements of § 129.310(a) for secondary sources of power to vital loads.\n(a) Large. A large battery-installation is one connected to a battery charger having an output of more than 2 kW, computed from the highest possible charging current and rated voltage of the battery installed.\n(b) Small. A small battery-installation is one connected to a battery charger having an output of 2 kW or less, computed from the highest possible charging current and rated voltage of the battery installed.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER L—OFFSHORE SUPPLY VESSELS","PART 129—ELECTRICAL INSTALLATIONS","Subpart C—Power Sources and Distribution Systems"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"bf2b9920c598abc0e9bf9dad97e53d906dc327d158368e693eab1920789407d8","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-129.350","next":"us/46-cfr-129.356"},"notice":"GroundRules: Original legal text. Not legal advice."}