ITEM NAME:30A Car Computer Memory Saver OBD2 Battery Replacement Tools Extended Cable A6E4 30A Car Computer Memory Saver OBD2 Battery Replacement Tools Extended Cable A6E4 Connect the positive battery with the red clip and the black clip to the negative pole (the reverse will burn the car) Plug the red light, and then insert the car OBD plug, this time has been issued by the sound of drops, indicating normal connection. At this time can change the battery, careful operation, pay attention to the replacement of the battery must lock the car, do not open the lights and other electrical equipment,not to the battery positive ground, otherwise it will burn the car OBD socket fuse. For a good battery, the first release of the tools of the red clip, if also drops at this time ring, indicating successful, if there is no sound, indicating that the fuse burned. It is recommended to wait for 20 minutes and then remove the car battery. The fuse will not be burned according to the method. OBD alternating car computer power supply adapter connector memory device off battery replacing without disconnection. Reliable and upgraded design, the workmanship are all improved. After the tests, output and input power is regular, ensure product qualified. no odor non-toxic ingredients, soft wear resistance, not winding and durability. Voltage: 12V Current: 30A colour:black Material:ABS size:Cable length: 1.1m Package Contents: 1 x OBD Battery Replacing Tool
