The Batak block spans U+1BC0–U+1BFF, 64 codepoints in Plane 0 (Basic Multilingual Plane). 56 are assigned in Unicode 16.0; the other 8 are reserved for future characters.
All of its characters belong to the Batak script.
By general category: 38 other letters (Lo), 7 non-spacing marks (Mn), 7 spacing marks (Mc), 4 other punctuation (Po).
The first 56 arrived in Unicode 6.0 (2010).