Marine Boat RV Camper Trailer Plastic Battery Box Tray Holder / Strap / Grp 24 Plastic Battery Box with Strap / Fits Group 24, Group GC2 Batteries Plastic Marine Boat Trailer Camper Battery Box. Group 24. Rugged Construction With Vented Lid and Securing Strap. Meets U.S.C.G. Requirements. Various Other Applications For Trailers, Campers and RV's. Made In The USA.