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The product is equipped with reverse connection protection function, which can prevent unnecessary losses caused by improper operation.
During the process of replacing the car battery, if the power is cut off, the preset codes stored in the ECU will be lost, and the module will need to be reprogrammed, which is time-consuming and labor-intensive!
Usually, when you replace the battery of your car, the on-board computer of the car will shut down, and the related data and personal settings (such as radio station settings, clock settings, etc.) will be lost.
When replacing the car battery, this vehicle data protection program can be used to supply power to the car computer via the OBD-II port or the cigarette lighter socket on the car.
The ECU requires an additional 12V battery as a temporary power source. This is a very useful tool for automotive services.
This automotive data protector can only be used in 12V automotive electrical systems.