Know your gear
The Lenovo ThinkPad 170w AC adapter provides instant power to your W520/W530 laptop. It's designed for the older round barrel tip and performs to the specifications of the standard AC charger that ships with ThinkPad W520 and W530 laptops. Use it as a replacement or as a convenient spare to ensure you're never without power. Lenovo safeguard each adapter with a 1-year warranty, offering renowned support and service.