Reliable ECU Memory Protection: This Car ECU Connector Battery ECU Memory Saver Tool is designed to maintain your vehicle's electronic control unit (ECU) data when the main battery is disconnected. Prevent loss of radio presets, seat positions, clock settings, and other stored configurations during battery replacement or electrical OBD2 Memory Saver Compatibility: Equipped with a standard OBD2 connector, this memory saver plug is compatible with most vehicles that feature an OBD2 diagnostic port. Simply connect the tool to an external power source and plug it into the vehicle's OBD2 socket to supply stable backup power to the ECU. Emergency Electrical Plug Design: Features an easy-to-use emergency electrical plug design that ensures quick connection and disconnection. Ideal for workshop use, roadside assistance, or DIY battery changes at home, minimizing the risk of ECU reset or malfunction. Real-Time Voltage & Current Display: Built-in display shows real-time voltage and current output, allowing you to monitor the backup power status at a glance. This helps ensure that the supplied power is stable and adequate during the entire operation, reducing risk of data loss or damage. Wide Application Range: Suitable for cars, SUVs, light trucks, and other 12V vehicles equipped with OBD2 ports. A practical tool for auto repair shops, garages, car electricians, and car owners who regularly perform maintenance or battery changes. and high quality The device can use any 12V DC power supply, including jump starters, DC 12V lead-acid batteries or other car's DC 12V power outlets. To prevent the loss of electronic memory when the vehicle battery is disconnected, the vehicle code and electronic preset can be retained. The interface connector between the 12V DC power supply and the OBD2 port of the vehicle. Maintenance of car computer memory dashboard information, digital clock, audio, memory seat, ABS, anti-skid system, electric inspection mirror. Color: As Shown Material: plasti