46 C.F.R. § 112.39-1 – General.

(a) Each battery-operated, relay-controlled lantern used in accordance with Table 112.05-5(a) must:
1. (1) Have rechargeable batteries;
2. (2) Have an automatic battery charger that maintains the battery in a fully charged condition; and
3. (3) Not be readily portable.

[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996]