Porsche Smartpass 120S Power Management System 40-678 901-531-054-22 C2(1989-2004)

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Porsche Smartpass 120S Power Management System 40-678 901-531-054-22 C2(1989-2004)Porsche Smartpass 120S Power Management System With Installation Kit. Smartpass 120S is a 120A Power Management Solution which distributes, controls and maximises the available energy from your alternator to power service batteries and consumers. Smartpass 120S handles all 12V batteries between 28 800Ah. The Smartpass 120Ss Battery Guard function ensures that critical equipment such as radio, emergency lights and navigation systems always have power