my battery is very hot, it killed every battery I tried (4)

Do you see any sparks when re-connecting the battery cables to a new battery ? .. How long can you run the engine before the battery gets hot ? .... NOW, are the batteries the right group/type for your vehicle .. NEGETIVE battery post is closest to the passenger side fender - and - the POSITIVE battery post is closest to the radiator ?? .. 'IF' the battery is connected in reversed polarity, it will DEFINITELY cause that problem! .. Just saying.

Hi. It sounds like you have a high current draw in the electrical system. We can check it out for you. Give us a call 702-368-1360.