COLUMBIA, S.C. -- Freshman forward A'ja Wilson had 17 points, Elem Ibiam scored 16 on 7-of-7 shooting and South Carolina coach Dawn Staley earned her 300th career victory as the top-ranked Gamecocks beat Charlotte 82-61 on Thursday night.

Alaina Coates had 15 points and 13 rebounds for the Gamecocks, who improved to 7-0 for the third straight season. South Carolina got a much tougher-than-expected tuneup in winning its 23rd straight at home before traveling to face No. 9 Duke on Sunday.

Charlotte (1-6) led 19-18 about 9 minutes in before the Gamecocks closed the opening half with a 28-9 run to move in front for good.

Lefty Webster had 17 points to lead the 49ers, whose six-game losing streak is the team's longest in 15 years. Aleighsa Welch added 10 points for South Carolina. For the 6-foot-5 Wilson, it was the fourth time she's led the Gamecocks in scoring.