(1pc OBD2 Battery Replacing Tool. Replace the battery will encounter these problems?. 1) With a red clip to connect the backup battery cathode, black to connect the negative (Positive and negative polarity will burn the car computer).

Brand: OBDResource
Country/Region of Manufacture: China
Manufacturer Part Number: BM100-BT
OBD Interface: CAN, EOBD, OBD, OBDII
Supported System: Engine
Vehicle Type: Motorcycle, Passenger Vehicle
Warranty: 3 Year