StacksVerified U.S. regulatory reference

46 CFR §111.15-2

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)A battery cell, when inclined at 40 degrees from the vertical, must not spill electrolyte.
  2. (b)Each fully charged lead-acid battery must have a specific gravity that meets Section 11 of IEEE 45.1-2017 (incorporated by reference; see § 110.10-1 of this subchapter).
  3. (c)Batteries must not evolve hydrogen at a rate exceeding that of a similar size lead-acid battery under similar charging condition.
  4. (d)Batteries must be constructed to take into account the environmental conditions of a marine installation, including temperature, vibration, and shock.