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 ...

Can I safely keep my battery charger connected to the charging post to maintain all established memory settings?

Don’t skip this step. A battery memory saver supplies current to avoid erasing the computer, radio, keyless entry and clock ...

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 ...