These T304 stainless steel battery boxes are intended for frame mounting an Antigravity Group-35 lightweight battery. However, these battery boxes can be used in any position where surface mounting makes sense. We custom make these and are made to order. Surface Mount with hinged tie down. Re-start button still accessible. Made in the USA. Battery Box Dimensions Battery Opening: 9 1/4″W x 6 7/8″D x 7 7/8″H External Dimensions: 10 7/8″W x 8 3/8″D x 8 1/2″H. Battery relocation wiring kits available HERE.