.....CRIMPING TOOL INFO
i was trying all different way to crimp the connectors when by accident and frustrated i tried a SMALL tool i have used for 20 years making small size wire connector crimps...
GUESS WHAT...it works great for #4 copper battery terminal crimps and it not expensive
this is the chiepest i have seen it for
http://www.mytoolstore.com/ideal/ide12-06.html