I am trying to do a project in a remote area but I need bright lights. I already have 4 car batteries and 2 tripod halogen worklights from home depot (http://www.homedepot.com/h_d1/N-5yc1v/R-202066789/h_d2/ProductDisplay?langId=-1&storeId=10051&catalogId=10053"). Each light is 500 watts so at...