Nowadays, it's not hard to see people flying drones outside. Originally, drones were developed for military purposes, but they are now becoming a familiar object in our daily lives with their application scope being expanded to the fields of agricultural accident prevention, natural disaster prevention, aerial photos and films, inventory management, and leisure.
A drone is an unmanned aircraft that can be controlled by wireless radio waves, and the high technology used in it is gaining attention as having a bright prospect for the future. One of the great features of drones is their “wireless” operation. You can operate them without power line connection.
For this to be possible, the use of a battery is a must to supply power to it. A battery has a direct relationship with the flying time of a drone, which makes it a highly important factor. That is why the lithium ion batteries are used for the drones. The advantages of a lithium ion battery in its lightness, high energy density, and near-zero energy effect and the long-time usage made possible by those characteristics make it the most suitable to be used for a drone.
* Memory effect: The phenomenon where the usage time period is reduced from the original after charging a chargeable battery in its incompletely discharged state.