There was a LT Ebenezer Chamberlain who was inBedel's Regt. NH Rangers from 22 Jan to Sept 1776. This Ebenezer applied for a pension in 1818that states he was 64 yrs old in 1818 , that he enlisted in Westmoreland NH, moved to St. Lawrence Co., NY after the war, then moved to Sheldon Co., VT.
He would be too old to be your Ebenezer. He is the only Ebenezer listed in Rev.War service records.