Avoid the damaging effects of deep discharge to car batteries with the kemo m148a battery guard module and avoid flat batteries the module cuts power to connected consumers once the battery voltage drops below the set minimum choose between 104v 11v 12v 13v 133v once regular voltage is restored ie when battery is recharged the power to consumers is re establishedfor a connection diagram and more information about this module see the schematic in the multilingual datasheet under