Key Features: Designed for Lenovo ThinkPad Helix models (3698 series). 45W power output with 20V 2.25A rating for efficient charging. 4.0 x 1.7mm small pin connector ensures a perfect fit. Worldwide voltage support (100–240V) for travel and international use. Over-voltage, over-current, and short-circuit protection for safe operation. Lightweight and portable design for everyday convenience. Includes power cable – ready to use out of the box.