MS6209-12 ATEC 5 Amp Memory Saver 12Ft. Cable OBDII. Automotive Memory Saver Cable - This unit helps to prevent the loss of electronic memory when disconnecting the battery and using a power supply. The cigarette lighter / 12Volt accessory adapter can be used with any Associated Kwikstart receptacle and the other end simply connects to the OBDII port on any 1996 or later vehicle.