This is a direct bolt in battery box for the Polaris RZR to accept a full size Optima 800u battery. Uses all original battery cables. Shipping Included! This is a must if you are running a stereo, additional lights or any accessories for extended periods. Battery Box - with black powder coating . Add your own name or logo for $40 set up fee. **Battery NOT included** All mounting hardware included. **If you own a 2nd generation RZR you need to cut out the stock plastic battery box along the crossmember between the storage bin and the battery compartment. After this is done the RPM RZR battery box is a bolt in part. Note the only cutting that needs to be done is on the plastic. You can use tin snips or die grinder** Any of these optima batteries will fit in the battery box installed in your Polaris RZR.