A battery is a portable power source designed to store and supply energy for various devices. It comes in different types, including rechargeable and disposable, to suit multiple needs. Compact and lightweight, it is easy to carry and install in everyday electronics. With reliable performance, it powers gadgets like remotes, flashlights, toys, and medical devices. Rechargeable versions reduce waste and provide long-term cost savings. Modern batteries are built with safety features to prevent leaks and overheating. Their durable design ensures consistent energy output over time. Available in multiple sizes, they are compatible with countless household and industrial applications. Essential in daily life, a battery offers convenience, efficiency, and dependable power whenever needed.