Chris Braswell and Willie Clayton each provided 11 points for the 49ers (18-6, 6-4 A-10) .
Darion Clark helped out with 10 points and nine rebounds in Charlotte's surprising win.
Butler (20-5, 7-3), meanwhile, had its three-game winning streak snapped despite 18 points and seven rebounds from Rotnei Clarke and 17 points and eight boards from Roosevelt Jones.
Ohio bar shooting arrested, charged with murder
LGBT community has 'bullied the American people': Bachmann