Used to maintain power to the car's internal memory when the battery has been disconnected (battery replacement)
Connection via the vehicle's OBD port
The memory saver's lithium-ion battery provides the power supply and enables all memory-based settings such as GPS, electronic dashboard, multimedia system, etc. to be retained.
Emergency solution: possibility to use the Memory Saver even when its internal battery is too low by connecting it to an external battery with the supplied cables.