Find the exact value of the given expression. 
Definitions:
Electrolyte
A substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water, enabling it to conduct electricity.
Sulfuric Acid
A highly corrosive acid with the chemical formula H2SO4, used in various industrial processes and as a battery electrolyte.
Lead Peroxide
A chemical compound, PbO2, used as an electrode and in batteries, known for its role in the lead-acid battery.
Cathode Plates
The negatively charged electrode in a battery or electrolytic cell where reduction reactions occur, significantly in metal plating and refining processes.
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