Tricycles are equipped with a KH140F battery monitor, Battery capacity displays the remaining

In China, there are not only high-end cities such as Beijing, Shanghai, Guangzhou, but also many cities that are as ordinary as the city I live in. Tricycles are an indispensable partner for many families. Sometimes it is a tool for picking up and dropping off children, and sometimes it is for pulling goods. A moving tool, if you want to set up a stall, take it with you. It can not only carry your goods, but also provide electricity for lighting. We can monitor the remaining power in real time by installing a battery coulomb meter on it.