NOCO BG27 Snap Top Battery Box, For Group 27 Introducing the next generation of Snap Top Battery Box - an all new design that offers improved locking tabs, heavy-duty handles, and a reinforced structure for ultimate battery protection. Proudly made in the USA. Easy Install - Either Direct Mount or Strap Mount. Cable ports in all directions offer maximum versatility for all types of installs. Coast Guard (USCG) Code of Federal Regulations 183.420. American Boat and Yacht Council (ABYC) E-10.7 Diameter: Outside With Top: 11.3"Hx 16.1"W x 9.9"D For Use With Group 27