Substitute Sam Vokes struck twice in the last nine minutes as table-topping Wolves maintained their fine start in the Coca-Cola Championship with a 3-1 win at Charlton.
Vokes, a goalscorer for Wales last week, came off the bench shortly after Sylvan Ebanks-Blake's 61st-minute penalty had cancelled out Nick Bailey's third-minute volley.
The 18-year-old made an immediate impression, with two poacher's finishes keeping Wolves above Birmingham on goal difference.
Birmingham survived the 24th-minute sending-off of Mehdi Nafti to see off Doncaster 1-0 at St Andrews.
Cameron Jerome volleyed the only goal of the game just seconds after the restart, as the Blues were rewarded for their resilience.
Nafti was shown a straight red card for a needless two-footed challenge on James Coppinger.
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