SKstyle 20V 3.25A AC Adapter Charger Power Cord for Lenovo T550 T450 T450S T540P T440P T440 T440S T431S Laptops DC-Output : 20V~3.25A~65W; Input: 100-240V ~ 1.5A 50/60 Hz; Connector plug shape: Rectangle USB Tip. Compatible with Lenovo B50 G40 G50 G51 G70 S21e S41 U31 V110 V310 Z40 Z41 Z50 Z51 Z70; Essential G500 G500s G505 G505s G510; IdeaPad 300 500 500s S210 S500 S510p U330 U430 U430p U530 Z510; Yoga 2 Pro S1 S3 S5 11 12 13 14 15 260 500 730 Replace for ThinkPad E431 E440 E450 E455 E460 E531 E540 E550 E555 E560 E570 L440 L450 L540 P50s T431s T440 T440p T440s T450 T450s T460 T460s T540p T550 T560 T570 W550s X240 X250 X260 X1 Carbon Helix; Chromebook 11e N20p Safety: CE-/FCC-/RoHS/ UL Certified for safety, over voltage protection, short circuit protection, over current protection. Made and Sold by professional factory directly Warranty: 12 - month warranty; 30 days money return guarantee; 24 x 7 email support