There are two ways to know what kind of battery the tachograph is installed, 1, check the tachograph use, maintenance instructions or the introduction of the product on the manufacturer's official website.
< br >
2, disassemble the driving recorder directly to check the battery model.
First of all, open the driving recorder, find the battery, and then look at the screen printing on the surface of the battery, the regular battery has a voltage value V, capacity mah and model that is the relevant screen printing content of the material category of the battery!