Charleston Battery | 4,503 followers on LinkedIn. Charleston Battery is an American professional soccer club based in Charleston, South Carolina. | Charleston Battery is an American professional soccer club based in Charleston, South Carolina. Founded in 1993, the team plays in the United Soccer League and, along with the Richmond Kickers, is the oldest continuously operating professional soccer club in the United States. In 1999, Charleston Battery moved into what is now known as MUSC Health Stadium, becoming the first non-Major League Soccer professional club in the United States to build its own stadium.