SYSTEM AND METHOD FOR CHARGING LIFTGATE BATTERIES

摘要

A system and method are disclosed for charging the liftgate batteries on a trailer having a trailer electrical system such as a refrigeration unit, fro m the charging system for the trailer electrical system. The system and method include an electrical connection between the liftgate batteries and the trailer electrical system alternator, wherein the trailer electrical system alternator has current capacity sufficient to power the trailer electrical system and to charge the liftgate batteries and the refrigeration unit battery; and an electrical isolation circuit for isolating the liftgate batteries from the trailer electrical system battery to prevent current from flowing from the trailer electrical system battery to the liftgate batteries.