Organized at Rochester, N.Y., and mustered in September 13, 1862. Left Rochester for New York City November 18. Attached to Banks' New Orleans Expedition November-December, 1862. Sherman's Division, Dept. of the Gulf, to January, 1863. 2nd Division, 19th Army Corps, Dept. of the Gulf, to May, 1863. 1st Division, 19th Army Corps, to August, 1863. Reserve Artillery, 19th Army Corps, Defenses of New Orleans, La. to December, 1863. District of Baton Rouge, La., Dept. of the Gulf, to February, 1865. Siege Artillery, Canby's Forces, Military Division West Mississippi, to July, 1865.
SERVICE.--Sailed for New Orleans, La., December 2, 1862, arriving there December 13, and duty there until February, 1863. Moved to Baton Rouge, La., February 3. Reconnaissance to Port Hudson, La., March 13-20. Operations in Western Louisiana April 9-May 14. Teche Campaign April 11-20. Fort Bisland, near Centreville, April 12-13. Irish Bend April 14. Vermillion Bayou April 17. Opelousas April 20. Amite River May 3. Action at Plain's Store 21. Siege of Port Hudson May 24-July 9. Assaults on Port Hudson May 27 and June 14. Surrender of Port Hudson July 9. Bayou LaFourche July 13. Duty in the Defenses of New Orleans and in the District of Baton Rouge until February, 1865. Action at Comite Bridge May 3, 1864. Clinton and Liberty Creek November 15. Campaign against Mobile, Ala., and its defenses March 17-April 12, 1865. Siege of Spanish Fort and Fort Blakely March 26-April 8. Fort Blakely April 9. March to Montgomery April 13-25. Duty in District of Alabama until July. Mustered out July 20, 1865.
Battery lost during service 3 Enlisted men killed and mortally wounded and 23 Enlisted men by disease. Total 26.