Versatile Group 24-31 Structural Shielding: The NOCO HM318BK
The upgraded Snap-Top Battery Box—an improved version of the HM318BK—offers enhanced strength, simplified installation, and a refined snap-top design. Built to fit Group 24–31 batteries, it supports a wide range of 12V battery types including automotive, marine, RV, deep-cycle, and lithium-ion. Perfect for cars, boats, campers, trailers, pontoons, and more.
Its rugged honeycomb-reinforced structure offers exceptional durability with impact resistance down to -20ºF (-28ºC), and protection against acid, gas, oil, and UV. Enhanced cable ports on the front and sides allow for flexible routing, while optional vent holes provide added airflow.
- Designed for a single group 24 to group 31 battery.
- Locking tabs to fasten the cover securely to the battery case.
- Adjustable divider to accommodate various battery sizes.
- Fully ventilated to release battery gasses safely.
- Meets Coast Guard (USCG) Code of Federal Regulations 183.420.
- Meets American Boat and Yacht Council (ABYC) E-10.7.
| What’s Included | BG31 Lid, BG31 Base, Mounting Tray, Divider, Mounting Strap, (4) #8×1″ Self-Tapping Screws |
| Group Size | 24/31 |
| Internal Dimensions (in) | 14.0″ L x 6.8″ W x 9.8″ H |
| External Dimensions (in) | 17.2″ L x 9.5″ W x 10.6″ H |
| Weight (lb.) | 3.11 |
| Country of Origin | USA |
There are no reviews yet.