The Original Lenovo 135W 20V AC Adapter ADL135SDC2A SA10E75865 00HM687 ThinkPad is a high-quality power supply specifically designed for Lenovo laptops. With a voltage output of 20V and a maximum output power of 135W, this AC adapter is compatible with various Lenovo ThinkPad models. The sleek black design and reliable performance make it a perfect accessory for keeping your laptop powered up and ready for use. Made in China, this adapter ensures a consistent and efficient power source for your device.