Car Battery Memory Saver – 12V DC OBD2 Backup Power Supply This 12V DC car battery memory saver is designed to preserve your vehicle's electronic settings when replacing or disconnecting the battery. Compatible with any 12V DC power source, including a running starter, leadacid spare battery, or automotive power outlet, it ensures that your vehicle's ECU, radio presets, clock settings, and other stored data remain intact during battery maintenance. Key Features and Benefits: Universal 12V DC Compatibility Works with standard automotive 12V power sources such as running starters, leadacid batteries, and DC power outlets to back up your vehicle's memory during battery changes. Dual Display for Voltage and Current Clear red display shows the voltage, while the green display shows the current output for accurate monitoring during use. Secure Battery Clip Connections Heavyduty, colorcoded clamps ensure proper and reliable connections. The red clip attaches to the positive terminal, and the black clip attaches to the negative terminal of the backup battery. Simple OBD2 Connection Connects directly to your vehicle's OBD2 port for safe and efficient power transfer to the ECU and onboard systems. Visual LED Indicators Green LED illuminates when the power connection to the vehicle is successfully established. Red light indicates a good connection to the storage battery with the voltage displayed on the red screen and the current shown on the blue screen. Blue light shows when connected to the vehicle's OBD2 port, with the red screen displaying integrated voltage and the blue screen showing the generated current. Maintains Essential System Data Prevents loss of ECU data, radio settings, seat position memory, and other stored configurations that can be reset when battery power is completely removed. Typical Use Scenarios: 1. Battery Replacement – Keep all your vehicle's settings intact when changing a depleted or damaged battery. 2. Automotive Electrical Maintenance – Preserve ECU data during alternator, starter, or wiring repairs that require battery disconnection. 3. LongTerm Vehicle Storage – Maintain memory and settings when battery removal is for seasonal storage. Specifications: Power Source: 12V DC (automotive battery, running starter, or power outlet) Battery Type Compatibility: 12V leadacid storage batteries Connection Type: Standard automotive OBD2 connector Output Display: Red voltage display, green current display Indicators: Red, blue, and green LEDs for connection status Cable Type: Vehicle ECU emergency power supply cable By ensuring uninterrupted power to your vehicle's onboard systems during battery changes or electrical work, this OBD2 car battery memory saver provides a reliable, safe, and convenient way to protect valuable stored data.