What are the parts of a cordless power tool battery?

Contacts
	The contacts or "terminals" of a battery are made of conductive metal and allow electricity to flow from the battery into the tool to power it.
	Some contacts are exposed while others have plastic barriers to help protect them from damage and short circuits.
	Some batteries have double contacts that keep things clean. This feature helps keep the battery running well, as clean contacts make it easier to transfer power between the battery and the cordless power tool or charger.
Nozzle for power tool
	The cordless power tool battery can be connected to the power tool in two ways. One design uses a retractable mechanism. A power tool fixture of this design is sometimes referred to as a "tongue".
	Another design uses an insert or "post" mechanism.
fight
	A latch, usually made of durable plastic, holds the battery in place after it has been installed in a cordless power tool.
Shutter button
	To remove the battery from the cordless power tool, the latch must be unlocked using the release button.
cell body
	The body of the cell is made of plastic, a non-conductive material. It provides structural support for the battery cells and circuit, as well as a form for holding power tools and contact covers. It is made from two parts.
Printed information
	The printed information on the battery contains important information about the battery's chemistry, voltage and capacity, as well as safety and maintenance information, usually represented by symbols (see below). What do the symbols on batteries and chargers for cordless power tools mean?)
Screws
	The screws hold the components and the two halves of the cell body together.
Printed circuit board
	The board inside the battery controls the battery. In the simplest case, it forms an electrical circuit between the battery and the cordless power tool. The most complex printed circuit boards include computer chips that store information about the battery and monitor its performance.
Cell
	The battery of a cordless power tool stores electricity in cells. Each cell contains the components to create electricity (see below). How does a cordless power tool battery work?). The cordless power tool battery contains multiple cells, from 8 to 24. A battery with multiple cells is called a battery pack.
Foam pad
	The cells are fragile so they are packaged in a cell body with foam padding to prevent damage. Some battery packs use a more sophisticated suspension mechanism to prevent damage to the cells.