1015777 voltage regulator rectifier is made of high quality oxidation resistant aluminum, high temperature resistance. The electric wires are high quality copper wire. The voltage rectifier regulator can adjust the voltage to ensure the stability of the output voltage and prevent voltage fluctuations & reduce the noise in the circuit and improve the working efficiency and reliability of the club car ds carryall. Regulated rectifier focuses on heat dissipation design to help disperse excess voltage and prevent battery overcharging. The golf cart voltage regulator rectifier is easy to install and plug and play. Please check whether the voltmeter indicator is normal before installation. LOWER 48 US SHIPPING ONLY, NO PO BOXES OR APOS