This large battery box from Uriah Products accommodates BCI27 and BCI31 marine batteries up to 13" long by 7-3/16" wide by 10-1/2" high. The interior provides plenty of space for hooking up cables, and it has a polypropylene construction that ensures water resistance and durability. There are vent holes on the top to prevent fumes from building up, and it also includes side handles for easier transportation along with a nylon strap and plastic buckle that keep the lid secure. | Uriah Large Battery Box