what is a 18650 battery

A 18650 battery is a type of lithium-ion rechargeable battery that is known for its high energy density and long-lasting power. These batteries are named based on their size, with 18mm in diameter and 65mm in length. They are commonly used in a wide range of electronic devices such as laptops, flashlights, power tools, and electric vehicles. With their high capacity and voltage, 18650 batteries are a popular choice for applications that require a reliable and long-lasting power source. These batteries are also preferred for their ability to deliver high discharge currents, making them suitable for high-performance devices. Additionally, 18650 batteries are known for their durability and long cycle life, ensuring that they can be recharged and used repeatedly. Overall, 18650 batteries are a versatile and reliable power solution for various electronic devices, offering high performance and long-lasting power.