The battery later fought in the Battle of New Hope Church on 27–28 May, the Battle of Lost Mountain on 17 June, the Battle of Culp's House on 1 July, the Battle of Marietta on 3 July, and the Battle of Peachtree Creek on 20 July. The battery participated in the Siege of Atlanta from 22 July to 25 August and the Battle of Turner's Ferry on 29 August, before returning to Chattanooga, Tennessee in November. Battery I remained there until July 1865, when it departed for Detroit, where it was mustered out on 14 July 1865. Of the 213 men carried on its rolls, the battery lost two killed in action, two mortally wounded, and 14 died of disease. 23 were invalided out of service.