What Is Battery Acid? Sulfuric Acid Facts
Concentration less than 29% or 4.2 mol/L: The common name is dilute sulfuric acid.; 29-32% or 4.2-5.0 mol/L: This is the concentration of battery acid found in lead-acid batteries.; 62%-70% or 9.2-11.5 mol/L: This is chamber acid or fertilizer acid.This is the acid concentration made using the lead chamber process.