Organized at Oswego, N.Y., and mustered in at New York City December 12, 1862. Left State for New Orleans, La., December 12, 1862. Attached to Defenses of New Orleans, Dept. of the Gulf, January to May, 1863. Artillery, 2nd Division, 19th Army Corps, Dept. of the Gulf, to July, 1863. District of Port Hudson, La., Dept. of the Gulf, to July, 1864. Reserve Artillery, Dept. of the Gulf, to February, 1865. Artillery, 3rd Division, Reserve Corps, Military Division West Mississippi, February, 1865. Artillery, 3rd Division, 13th Army Corps, to July, 1865. Dept. of Alabama to September, 1865.
SERVICE.--Duty in the Defenses of New Orleans, La., until May, 1863. Expedition to Amite River May 7-19. Action at Civique's Ferry May 10. Moved to Baton Rouge, thence to Port Hudon May 20-22. Siege of Port Hudson May 22-July 9. Surrender of Port Hudson July 9. Garrison duty at Port Hudson until July, 1864. Action at Plain's Store April 7, 1864. Moved to Morganza July, 1864, and duty there until February, 1865. Campaign against Mobile, Ala., and its defenses March 17-April 12. Siege of Spanish Fort and Fort Blakely March 26-April 8. Fort Blakely April 9. Capture of Mobile April 12. Duty in the District of Alabama until September. Mustered out September 8, 1865.
Battery lost during service 2 Enlisted men killed and mortally wounded and 1 Officer and 30 Enlisted men by disease. Total 33.