This quality Snap-Top Battery Box is a battery storage solution for sizes Group 24 Automotive, Marine, and RV batteries. It features locking tabs to fasten the cover securely to the battery case, reinforced plastic handles to prevent cracking during battery relocation, and allows adequate ventilation of battery acid vapors. This rugged battery box maintains its impact properties down to minus 20°F, as well as, resistant UV, oil, gas and other contaminants. Perfect installation in a car, boat, camper, motorhome, trailer, or caravan, as well as, generator equipment.

  • Designed for a single group 24 battery.
  • Locking tabs to fasten the cover securely to the battery case.
  • Impact and UV resistant, plus heavy-duty carrying handles.
  • 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.

Designed Tough

A battery box for extreme conditions. Structurally enhanced battery storage solution that maintains its tough impact properties down to -28 degrees Celsius without the worry of cracking.

UV Resistant

Engineered to last the rigours of the outdoors. Made with UV inhibitors and colour stabilizers to prevent structural degradation and colour fading. Together, it's one of the toughest, most dependable battery boxes ever.

American Made

Noco strive to maintain a reputation of diligently constructing the highest quality products, which is why every battery box is designed, engineered, and made in the USA.

Tested and Certified

Meets the United States Coast Guard’s Code of Federal Regulations 183.420 and the American Boat and Yacht Council’s E-10.7 requirements.


Internal Dimensions.

Fits most group 24 batteries.

Designed to accommodate most 12-volt Automotive,
Marine and RV group 24 lead-acid SLA batteries.

HM300BKS Battery Box Internal Dimensions

External Dimensions

HM300BKS Battery Box External Dimensions


What's Included Group 24 Battery Box, 42-Inch Battery Box Strap.
Battery Size Group 24
Internal Dimensions 266.7mm L x 182mm W x 243.84mm H
10.5" L x 7.2" W x 9.6" H external
External Dimensions 355mm L x 254mm W x 271.78mm H
14.0" L x 10.0" W x 10.7" H
Product Weight 1.82 kg
4.0 Pounds
Model # HM300BKS
Brand NOCO
Shipping Weight 2.0000kg
Shipping Width 0.280m
Shipping Height 0.380m
Shipping Length 0.370m
Shipping Cubic 0.039368000m3

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