Wired tracker with big battery usually used for trailers. When the front and rear of the trailer are separated, they have large batteries. Therefore, it can be regarded as a wired tracker and a long standby tracker. This kind of tracker has a high power reserve and can support long-term use. Samaan aikaan, it transmits data through wired lines, ensuring the stability and accuracy of data transmission. Because of its large capacity, the battery can work continuously for several days or even weeks, and at the same time, it can be recharged by charging, further prolonging its service life. This kind of wired tracker is usually used in scenes that need long-term tracking and positioning, such as logistics and transportation, emergency rescue and so on. It has high practicability and flexibility, and can meet the requirements of tracking and positioning in different scenes.