The NOCO HM300BK Group 24 Snap-Top Battery Box is a battery storage solution for Group 24 battery sizes including 12V Marine RV Boat and Trailer 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 to UV oil gas and other contaminants. Perfect installation in a car boat camper motorhome trailer or caravan as well as generator equipment.