The HM462 Commercial Battery Box is a battery storage solution for sizes dual group L16 batteries, including Marine, Off-Grid Solar and Commercial equipment. It features a four corner fastening system and captive lid for easy installations, large cable entry holes for heavy gauge wires, full flow ventilation for releasing battery gasses, and a large battery acid reservoir. Its rugged, rotationally molded design provides ultimate protection in low-temperature environments and protects against UV, oil, gas and other contaminants. Perfect installation in a boat, off-grid solar systems, as well as, commercial equipment. Designed for a dual group L16 batteries. A four-corner fastening system for easy installation. Large cable entry holes for heavy gauge wires (up to 4/0 AWG). Large internal reservoir to collect battery acid. Rugged, rotationally molded design for extreme conditions. Meets USCG Code of Federal Regulations 183.420 and ABYC E-10.7. Meets National Electrical Code, Articles 480 and 690 (Section 690.71). Data Sheet