The battery fought at Shiloh, Corinth, Hatchie's Bridge, Port Gibson, Raymond, Jackson, Champion Hill, Vicksburg, and Yazoo City.

The battery was organized in Chicago, Illinois and mustered in for a three year enlistment on February 28, 1862 under the command of Captain William H. Bolton.

The battery was attached to 4th Division, Army of the Tennessee, to July 1862.

Artillery Reserve, District of Vicksburg, Department of Mississippi, to August 1865.

Battery L, 2nd Illinois Light Artillery Regiment mustered out of service on August 9, 1865.

March to Memphis, Tennessee, via Grand Junction, Lagrange, Holly Springs, Moscow, and Germantown, June 1-July 21, and duty there until September.

Moved to Memphis, Tennessee, January 1863 then to Lake Providence, Louisiana, February 22.