This genuine IBM Lenovo AC adapter is perfect for powering your Thinkpad laptop T30 T40 T41 T42 T43. It has a voltage of 16V and an output current of 4.5A, ensuring your laptop stays charged and ready to go. The adapter is compatible with both IBM and Lenovo brands, making it a versatile choice for your laptop.

The adapter comes in a sleek black color and is part of the Laptop Power Adapters/Chargers category. It is also compatible with the California Prop 65 list, meaning it does not contain any chemicals or materials specified in the list. This adapter is a great choice for anyone looking to power their Thinkpad laptop and ensure it stays charged at all times.