1. How to wake up the J400?
2. How to use the jump start function?
2.1 Method 1: Normal Sta
2.1.2 Connect the positive and
negative poles of the product
clamps clamp to the positive and
negative poles of the car batte
respectively, and ensure that the
connections are good;
2.1.1 Inse the product clamps
clip into the EC5 sta po of the
product;
Sho press the " " or " "