[Al Skierkiewicz]

The 50 amp Anderson connectors are available through Terminal Supply as are a variety of connectors for the battery terminals. As pointed out, the copper screw down style is available at most home centers, be sure to get the ones sized for #6 wire. As a reminder for all teams, when attaching this style connector to the battery terminals, they should be positioned on the battery so that the clamp is turned to the inside of the battery to prevent damage. You may also bend the tab of the connector at right angles to help use the case of the battery as protection for the terminal and wire. After all is said and done, insulate the entire connection with tape or heat shrink. This style of terminal can be soldered using a large tipped iron. Be sure to feed solder from the end of the wire as it protudes from the terminal and don't add so much that it is visible under the wire insulation. This will harden the wire and make it more prone to breakage inside the insulation.