The main purpose of battery spring is to fix the position of the battery to avoid vibration or violent shaking, which may cause the power outage due to the disconnection of the contacts. There are many types of buckles. If they are classified by shape, the simple one is to roll the thread into a circle, and then use a punch to change the width, etc. There is no official name. Battery springs can have various shapes and structures due to different application methods, and the relative production process will also be very different.
