Battery Electrolyte Energizing Fluid (Battery Acid)
Some of our batteries ship without acid. It tends to vary with different brands of batteries we get, so it's hard to tell exactly which ones in the future will need to have acid sold separately. In general, if the battery number has an "X" in it, than acid IS included. If there is no "X" in the battery number, like a YB9B or a YB10LB than you will need to purchase acid separately. This electrolyte is intended to fill up brand new batteries.