KONKIN BOO Compatible 170W 20V 8.5A AC Adapter Portable computer Charger Replacement for ThinkPad W540 W550s E440 E450 E555 S431 T540p X240 X250 Yoga 15 36200321 45N0487 4X20E50574 36200321 PA-1171-71

170W 20V 8.5A AC Adapter Notebook Charger for Lenovo ThinkPad W540 W550s E440 E450 E555 S431 T540p X240 X250 Yoga 15 36200321 45N0487 45N0374 45N0375 45N0487 4X20E50574 36200321 PA-1171-71 Made with high-grade material and fine workmanship, stable Functionality and high efficiency safe and reliable , easy to carry. Stable and Safe : Strong, Long-lasting construction and compact design,It can enables fast and efficient charging of devices. Multi-Protection;Over VoltageProtection;Short Circuit Protection. NOTE：Please check the end of the cord shape before buying.Replace your Second-hand old, broken, damaged, or misplaced power cable cords.Please make sure that you choose the right adapter before ordering. 【SAFETY RELIABILITY】All of our product lines are put through rigorous quality control procedures to ensure safe, reliable operation for years to come. We guarantee our products as efficiently as the original charger, or any other replacement.