The regiment fought at the Battle of Talavera in July 1809 and saw hard action at Barquilla on 11 July 1810 during which the commanding officer of the regiment, Lieutenant-Colonel Neil Talbot, and eight of his men were killed. The regiment, now under the command of Lieutenant-Colonel Felton Hervey-Bathurst, then took part in a skirmish on the Coa river on 24 July 1810 and, in pressing home a frontal attack on a French artillery battery, a squadron of the regiment was badly mauled at the Battle of Fuentes de Oñoro in May 1811. The following year was a very busy one for the regiment: the regiment fought at the Siege of Ciudad Rodrigo in January 1812, the Siege of Badajoz in March 1812, the Battle of Villagarcia in April 1812 and the Battle of Salamanca in July 1812.