Designed to accept universal AC mains input from a static connection while the vehicle is parked or stood down, the power controller unit (PCU) produces a noise-suppressed DC output trimmable from 20V to 50V.

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This output is intended to meet all power requirements of the vehicle, and to keep battery banks fully charged, while the alternator is not running. 

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Connected to the VEPMS CANbus, the PCU monitors and reports AC input voltage, output voltage and current, internal temperature and system health.