Volumes of acid that go in an empty battery of each type (sealed batteries):
TX5L-BS (B12K1) – 6.8 ml per cell
TX4L-BS (B12K2) – 5 ml per cell
TX7A-BS (B12BUD125) – 10.3 ml per cell
TX12-BS (B12ET4) – 15.5 ml per cell
**NOTE** Batteries that ship with acid cannot be shipped via air.