MARINE BATTERY BOXES Quality vented marine battery boxes manufactured from black hi-density reinforced polyethylene which is impervious to battery acids. Includes sturdy carrying handles two vents and the lid has 4 recessesnto allow for cable entry. Supplied complete with webbing strapn mounting cleats and stainless steel fastenings. Outside size Inc. lid & handles : 410mm L x 230mm W x 290mm Base size : 345mm L x 198mm Inside size : 340mm L x 190mm W x 225mm H