What is the maximum AH of liquid-cooled energy storage lead-acid battery
Battery 101: Your Guide to Lead-Acid Batteries. Cathode (the positive side), where energy flows into the battery. Electrolyte, a liquid or gel that reacts with the anode and cathode. In a lead-acid battery, the anode is connected to lead plates on one side of the box, and the cathode is connected to lead dioxide plates on the opposite side.