Ctek dual battery charger and smart pass

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Townsend (bluepatrol)
29 Apr 2017


The CTEK D250S Dual is an in-vehicle dual-battery management system. It features a starter battery isolator and a five-step charger that automatically adjusts the charging voltage and current according to the auxiliary battery’s state of charge and temperature – reducing a battery’s charge time.

SMARTPASS is a smart automatic dual battery isolator switch and energy management unit which controls and optimizes energy produced by alternators, solar cells, wind power or conventional AC/DC chargers. It distributes power to battery banks or consumers depending on energy needs, such as the service battery bank, bow thruster or anchor chain hoist batteries or power consumers like refrigerators, radio’s, etc.