"Group 24-31 Snap-Top Battery Box" BG31 Snap-Top Battery Box is a battery storage solution for sizes Group 24 to Group 31 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."