500 amp heavy duty Busbar

Battery terminals are not busbars, One cable should come from the battery to a class T fuse and thence to a busbar of adequate current rating to meet the anticipated loads with a 25% margin for safety. All connections to inverters, distribution panels, battery chargers. should be made at the bus bar not on the battery terminals.

500 amp busbar with 4 3/8" studs, nuts and lock washers and 2 1/4" studs with nuts and lock washers

Screw mounting holes

1 busbar of the same rating should be used for both negative and positive circuits