The following is taken from New York in the War of the Rebellion, 5th ed. Frederick Phisterer. Albany: J. B. Lyon Company, 1912.

This battalion, four companies, A, B, C and D, was organized at Sackett's Harbor; received its numerical designation September 16, 1862; was ordered to the front September 17, 1862, and served near Washington, D. C. December 31, 1862, it was discontinued and its companies transferred to the 10th Artillery as Companies A, G, C and F, respectively.

The following is taken from The Union army: a history of military affairs in the loyal states, 1861-65 -- records of the regiments in the Union army -- cyclopedia of battles -- memoirs of commanders and soldiers, Volume II: New York, Maryland, West Virginia and Ohio. Madison, WI: Federal Pub. Co., 1908.

Fifth Battalion Heavy Artillery.—This battalion, known as the 2nd battalion Black River artillery, consisting of Cos. A, B, C and D, was also organized at Sacket's Harbor in the fall of 1862; left the state on Sept. 17, and served in the defenses of Washington until Dec, 1862, when it was discontinued and its companies assigned to the 10th N. Y. artillery as Cos. A, G, C and F, respectively. (See 10th artillery.)