The Lenovo 45W AC Adapter for ThinkPad is a high-quality power supply specifically designed for Lenovo laptops. With a voltage of 20V and an output current of 2.25A, this AC adapter is compatible with various ThinkPad models, providing reliable and efficient power for your device. The sleek black design and slim tip make it easy to use and transport, perfect for on-the-go productivity. Built by Lenovo, a trusted brand in the industry, this adapter ensures a secure and efficient connection for your laptop.