He is also sending me specific instructions from manufacturer for reassembly. Now to find that tiny switch spring. I did have to re-order some lugs. My busbars are 3/8, and the terminals on batteries are 5/16. I had a spool of 2/0 ultraflex in my shop, so that is what I am using for the system. The 2/0 lugs fit the terminals on batteries.awesome!