1. Reverse connection/wrong connection protection, the computer will not be locked when power off, safe and convenient, without losing memory when power off, improving efficiency
2. Material: copper wire
3. Use: car OBD battery replacement tool
4. Length: the line length is about 1.1m, the total length is about 1.3m
5. Weight: about 95 grams

Instructions:
1. Connect the spare 12V small battery with two clips, the positive pole of the red clip
2. After the battery red light is on, plug it into the OBD socket of the vehicle, and there will be a sound (very few vehicles do not call, it is a normal phenomenon and does not affect use), indicating that the plug is connected normally, the door is closed, the vehicle is locked by remote control, and the vehicle enters the dormant state
3. Now you can change the battery, please operate carefully, pay attention to change the battery
Do not open the door, do not turn on the lights, do not use any electrical appliances, and do not touch the positive terminal of the battery to the ground, because this will burn the vehicle and the small fuse that powers the OBD socket, causing the uninterrupted power work to fail and need to be replaced Fuse in the car
4. After replacing the battery, first loosen the red clip of the tool. If the tool is still ringing at this time, it means success and the vehicle fuse is blown.
, European cars with delayed power supply are not recommended
5. After the car with delayed power supply is connected, wait 20 minutes before dismantling the original car battery, and then replace, please strictly follow the instructions