Seller notes

BT30 Car OBD Emergency Power Supply Cable ECU Connector Battery Saver Auto ECU Memory Savers Description： 1. VOLTAGE AND CURRENT DISPLAY Configure a high-definition digital display screen for easy observation of voltage and current changes during device operation. 2.SECURITY PROTECTION Built-in 3A fuse, it can effectively prevent damage to equipment and vehicle ECU in case of circuit failure. 3.INSULATED CLAMP The surface is made ofinsulating material, which is leak proof andhas a fully enclos...

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