Industrial Battery Comparison
Lead-Acid Basics 20 • Plates – Substrate: Pure lead or lead alloy grid Positive Active Material: Lead oxide Negative Active Material: Sponge lead • Electrolyte - Sulfuric acid (H 2SO 4) 1.205 - 1.275 Specific Gravity and participates in the electrochemical storage reaction • PH = ~2 • Nominal volts per cell ~2.0