Welcome to a Laptop Battery specialist of the Toshiba Laptop Battery
The dock on W510 works as you would expect. The internal battery such as Toshiba PA3307U-1BRS Battery , Toshiba PA3331U-1BAS Battery , Toshiba PA3331U-1BRS Battery , Toshiba PA3356U-1BAS Battery , Toshiba PA3356U-1BRS Battery , Toshiba PA3356U-2BAS Battery , Toshiba PA3356U-2BRS Battery , Toshiba PA3356U-3BAS Battery , Toshiba PA3356U-3BRS Battery , Toshiba PA3357U-1BAL Battery , Toshiba PA3357U-1BRL Battery , Toshiba PA3357U-2BRL Battery is drained first if the keyboard is connected to the tablet. Together with the battery on the tablet, Acer says that users will enjoy up to 18 hours of uptime. There's also a single USB port on the dock.