Plug into a cigar lighter -Engine off - indicates battery state of charge -Engine running - indicates alternator condition (low voltage conditions, normal or over charge).
Simple and fast way to determine if your charging system needs additional attention. Battery may need to be charged and tested, cables tested for voltage drop and the alternator tested for both amps and voltage output. This unit has a micro-processor in it that has flash memory and can be reprogrammed to meet specific needs.
Who could use it? -Fuel Island attendant -Service writers -Shop personnel -Drivers
THE MESSAGE IS THIS... This device could save a lot of time. It is now a full system tester that lets unskilled people realize they have charging issues and should ask for repair work to be done.