18650 2串组合
Many people have a misconception that batteries are dangerous, especially lithium batteries are very unsafe and will explode! Is the 18650 battery really as dangerous as the legend? To understand this...
18650 batteries have been dismantled for some time. Today, one is violently dismantled to show you the internal structure of the battery. It is mainly to show you the so-called "safety valve"...
18650 PACK combination