Keep your vehicle powered with the help of this Camco RV Large Battery Box Black. It is made from a lightweight heavy-duty polypropylene material and is corrosion-resistant for added protection. This item is designed to keep the battery safe and secure. It includes a lift-off lid for quick and easy access and a durable woven hold-down strap to provide extra security. This model also includes foot clamps for enhanced stability and stainless steel screws. This Camco battery box meets USCG CFR 183.420 and ABYC E-010.7 specifications. It fits group size 27 30 and 31 batteries and the inside dimensions of the lid are 13.87 x 7.87 x 10.9 . This polypropylene battery box is ideal to use for RV vehicles and will ensure the unit does not get over exposed to the elements and help keep it operational.