Battery "L", 2nd Illinois Light Artillery Regiment was an artillery battery that served in the Union Army during the American Civil War. It was also referred to as Bolton's Battery, Hulaniski's Battery, and Nichols' Battery. The battery fought at Shiloh, Corinth, Hatchie's Bridge, Port Gibson, Raymond, Jackson, Champion Hill, Vicksburg, and Yazoo City. The unit mustered out in August 1865.