This medium to large (180mm x 320mm) Calibre Battery Box's hard casing provides safe and proper protection for car batteries from environmental and physical damage. In addition to secure storage for a battery, its casing is ideal for containing any acid spills without leaking or becoming damaged. This battery box is suitable for large 4WDs, marine and deep cycle batteries. It can be used for safe transport of secondary or accessory batteries or temporary housing of batteries in areas that could succumb to spill damage. The plastic housing is also easy to modify should you want to add connectors, gauges or plugs for easy connection of your choice of accessories.