The Snap-on Soft-Sided Memory Saver (EESM500) is designed to maintain and preserve a vehicle’s onboard computer settings when the 12V battery is disconnected while service is being performed.
A small battery that is connected to a car's 12 volt socket or OBD port while the battery is being replaced. The memory saver applies just enough voltage and current to keep data in RAM alive until ...
The Car Doctor recommends using a jump-pack as a memory saver when changing a car battery instead of a battery charger. A weak key fob battery can cause issues with restarting a car but should not ...
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