Camco Large Battery Box with Straps and Hardware - Group 27, 30, 31, for RV, Auto, and Marine Batteries, Inside 7-1/4" x 13-1/4" x 8-5/8", Black (55372) - Walmart.com
Dual Battery Holder Tray - T-H Marine Supplies
Newport Smart Battery Box - 12V – Newport Vessels
NOCO - 8D Commercial Battery Box - HM484
Marine Raider Battery Box Power Station with Handle and USB Power Outlet | Academy
NOCO - Group 24 Battery Tray - BT24
Camco Double Battery Box | Camping World
NOCO Group 24 to 31 Snap-Top Battery Box HM318BKS
Amazon.com: NOCO Snap-Top HM318BKS Battery Box, Group 24-31 12V Outdoor Waterproof Battery Box for Marine, Automotive, RV, Boat, Camper and Travel Trailer Batteries : Automotive