Powered by any jump starter with a 12V outlet into an OBD II Memory Saver.
Interface connector between a 12V DC power source and vehicle's OBD II port.
Preserves vehicle codes and electronic presets.
This device can work with any 12V DC power source, including jump starter, DC 12V Lead-acid battery, or another car’s DC 12V power outlet.
the device can also get the 12v power supply from of another good car. Just insert the plug to this car and insert into 16 pin plug to the OBD port of the car you want to replace battery.