Buy Camco Large Battery Box with Straps and Hardware - Group 27, 30, 31 |Safely Stores RV, Automotive, and Marine Batteries | Measures Inside 7-1/4" x 13-1/4" x 8-5/8" | (55372) | RVGearPro
EverStart Lead Acid Marine & RV Deep Cycle Battery, Group Size 24DC (12 Volt/690 MCA) - Walmart.com