These 18650 batteries provide the perfect way to make your project mobile. These batteries are much more energy dense, and therfore lighter, than a similar capacity lead-acid battery.

18650 batteries are perfect for robot and drone related projects.

The 18650 Li-ion rechargeable battery (3.7V, 2200mAh, QULIT FIRE) is a type of lithium-ion battery that is commonly used in a variety of electronic devices. It is a cylindrical battery with a diameter of 18mm and a length of 65mm, and it is named for its dimensions.

The 18650 Li-ion rechargeable battery is a rechargeable battery, which means it can be used multiple times by charging it up when the charge runs low. It has a nominal voltage of 3.7V, which is the voltage that it produces when it is fully charged. It also has a capacity of 2200mAh, which is a measure of its energy storage capacity. The "QULIT FIRE" branding is a trade name used by the manufacturer, and it may refer to the battery's performance or other features.

The 18650 Li-ion rechargeable battery is commonly used in a variety of electronic devices, including laptops, tablets, smartphones, and portable power banks. It is known for its high energy density, long lifespan, and low self-discharge rate, making it a popular choice for portable electronic devices. It is important to note that lithium-ion batteries can be potentially hazardous if they are mishandled or damaged, and it is important to follow proper safety guidelines when using and charging them.