45W Square Tip - Energy-saving and reliable 45W power supply with a yellow rectangular connector ideal for compact Lenovo notebooks, ultrabooks, and convertibles. Compatible with Lenovo Yoga series- Suitable for Yoga 11, 11S, 300s, 500, Yoga 2 11, Yoga 13, 500-14, 500-15 please note the square charging port. Compatible with IdeaPad and Essential models- Supported on IdeaPad S21e, G40, G50, Z50, Z50-70, Z50-75, and other models with Square-Tip connectors. Also compatible with ADLX45NDC3A, ADLX45NLC3A. Ideal for travel, office or school- Compact design, easy to transport. Wide input range (100240V) for worldwide use perfect for on the go, in the office, or at home. Delivery & Security-Includes: 1× 45W power supply + 1× power cable (clover-shaped). With protection against overheating, overvoltage, and short circuits.