This ThinkPad 135 W AC adapter is designed for older-generation ThinkPads with the round-barrel tip. It plugs into available wall outlets to deliver AC power to your ThinkPad W510 laptop and recharge the system battery. It meets the specifications of the charger originally supplied with your laptop, making it an ideal replacement or convenient spare. Each one is safeguarded by a one-year official Lenovo warranty, offering renowned service and support from IBM.
Lenovo ThinkPad 135W AC Adapter - power adapter - 135 Watt