Lenovo has released a new accessory for ThinkPad notebooks which combines 65W laptop AC power adapter with a 4-port powered USB hubcalled the PowerHub.
It works as a pure charger for your laptop while plugging-in your four USB peripherals for data transfer and charging option. You can charge those USB peripherals even when your laptop is away.
It is compatible with 90W and 65W ThinkPad laptops. he Lenovo Power Hub price tag at $74.99.