what is 18650 battery

The 18650 battery is a rechargeable lithium-ion battery that is widely used in various electronic devices such as laptops, flashlights, power tools, and vaping devices. It is named for its dimensions, with an 18mm diameter and 65mm length. These batteries are known for their high energy density, long cycle life, and reliable performance. They are capable of delivering high current, making them suitable for high-drain devices. The 18650 battery also offers a stable voltage output, ensuring consistent power delivery to the device it powers. With their rechargeable nature, 18650 batteries offer a cost-effective and environmentally friendly power solution compared to single-use disposable batteries. They are also available in a variety of capacities and different chemistries, providing options for different usage requirements. Overall, the 18650 battery is a versatile and reliable power source that has become a popular choice for many electronic devices.