Power Specs:Input:100-240V 50-60Hz,Output:20V-6.75A,Watt:135W Not Compatible with 230W Compatible with Lenovo Gaming's Best Partner:This 135W AC adapter Compatible with Thinkpad x1 extreme charger 135W, Thinkpad 135W laptops, Compatible with Ideapad Gaming Laptop 3-15, Compatible with Ideapad L340 Gaming, Compatible with Yoga 9i charger 135W and 135W dock charger. It also works with Thinkpad Docking Station.model:40AF0135US 40AN0135US 40AH0135US 40AC0135US Compatible with Laptop Charger:Compatible with ThinkPad E570 E560 E540 E440 E460 E550 E555 E450 E455 E470 E475 E565 E575 E465 E550c E560p E570p L470 L440 L450 L460 L540 L560 L570 T570 T440p T540 T560 T540p T440s T450 T450s T460 T460s T470 T470p T470s W54 W541 Compatible with Laptop Charger:Compatible with E440,E450,E455,E460,E465,E470, E475, E540, E550, E550c, E555,E560,E560p, E565, E570, E570p, E575, S431, S440, S531, S540,L440, L450, L460, L470, L540, L560, L570, P40 Yoga, P50s, P51s, T431s, T440, T440p, T440s, T450, T450s, T