The monument to the Tenth New York Independent Battery is south of Gettysburg on Wheatfield Avenue.(39.80064 N, 77.247102 W; Google map; Tour map: Sickles Avenue at Excelsior Field) It was erected by the State of New York in 1893.
The battery at the time of Gettysburg was temporarily attached to the 5th Massachusetts Battery after heavy losses at Chancellorsville and was under the command of that battery’s Captain Charles Philips. The 10th New York was reconstituted as an independent command shortly after Gettysburg.
From the monument:
10th Independent Battery, New York Light Artillery,
1st Volunteer Brigade, Artillery Reserve.
July 2nd 1863.
Attached to 5th Massachusetts Light Battery (E).
Casualties, killed 2, wounded 3.
Organized as the 2nd Excelsior Battery.
Mustered into U.S. Service April 9th, 1862.
Consolidated with 6th N.Y. Independent Battery June 21st, 1864.
Mustered out June 22nd, 1865.
See more on the 10th New York Independent Battery in the Civil War