+23 What Is A Memory Saver For Automotive References. Allsun car memory data saver obd2 automotive emergency power supply battery adapter protection connector memory saver adapter cable keep memory alive for cars 2 alligator. These memory savers not only make working on your battery more convenient, but they also save you the time of having to restore all of your settings in your electronic control module.

A small battery that is connected to a car's 12 volt socket or obd port while the battery is being replaced. Car battery memory savers (radio codes) memory savers are useful when changing car batteries, but not essential if you have the radio codes and alarm key fobs etc. Test run the memory saver.