Perfect Fit for Laptops Charger Compatible with Lenovo IdeaPad 1 3 5 Series (e.g. 1-14ADA7, 3-15IIL05, 5-15ALC05), Flex 4 5 6 Series (4-1480, 5-14ARE05, 6-14ARR), Yoga 310 510 520 710 Series, V14 V15, and Chromebook N22 N23 N42. (Round Tip 4.0×1.7mm ONLY) Universal Voltage & Fast ChargingSupports 100V240V input, 20V 3.25A / 20V 2.25A / 19V 3.42A output, suitable for both 65W and 45W devices using 4.0×1.7mm DC plug. Optimized for Home and Office Setups Compatible with many legacy Lenovo IdeaPad, Flex, and Yoga models, this power supply is a dependable choice for home desktops or office workstations. Safe & ReliableBuilt-in smart chip ensures protection from over-voltage, overheating, short-circuit. Certified for safety and longevity. Package & ServiceIncludes 1x VUOHOEG power adapter, 1x US AC power cord. 12-month warranty and US-based support included.