Cheltenham produced a fine second-half performance to secure victory at Burton and climb to third in League Two.
Burton striker Justin Richards drove straight at Cheltenham keeper Jack Butland in a goalless first half.
But the Robins went ahead barely 30 seconds into the second half when Josh Low headed in Luke Garbutt's cross.
James Spencer tapped in from Kaid Mohamed's fine run and cross to seal the points before Cheltenham substitute Jeff Goulding hit the bar late on.
The victory was Cheltenham's fourth in succession and their polished performance meant Burton surrendered their unbeaten home record.
Sido Jombati went closest for the Robins in the first half when his header was kept out by Ross Atkins' reaction save, although Richards should have done better than fire at Butland after being picked out by Cleveland Taylor's cross.
But Cheltenham did open the scoring when Atkins could not keep out Low's header from six yards, with Spencer settling matters with his third goal in three league games and fifth of the season.
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Cheltenham Town boss Mark Yates told BBC Radio Gloucestershire:
"It is absolutely terrific - a tough place to come. I thought we started really brightly but we didn't test the keeper in the first half, that was my criticism of the boys.
"I thought we played some really good football, just didn't have that final ball or that end product to what we were trying to do.
"Shape-wise, work-wise, effort-wise the lads were absolutely outstanding and my two centre-halves were immense and then we had a rock to build on."