Ricketts was engaged in support of Grant's offensive attacks on the Confederate positions in the Battle of Spotsylvania Court House on May 18, 1864, being moved up close to the captured Confederate works. He also supported Hancock's attack on Henagan's redoubt at the Battle of North Anna on May 23. The battery remained with II Corps throughout the remainder of the campaign, except at the Battle of Cold Harbor, when it was detached to serve with XVIII Corps on June 3.