This is a replacement battery for the Wacom Wireless Accessory Kit that allows you to easily connect your tablet to your computer without wires. The Wireless Accessory Kit components and battery conveniently plug into your pen tablet and an available USB port on your computer, leaving less clutter, and more room for your life. Battery is fully rechargeable and allows you to operate your pen tablet while it’s charging. A status light will show you when your battery is fully charged. Please refer to the specifications tab for more details.